Top Pup Joint Manufacturers: B2B Buyer Guide (2026)

This guide compares pup joint manufacturers for OCTG procurement managers, drilling engineers, well-service contractors and EPC buyers, covering finished pup-joint producers, threaders and flowline specialists. It keeps API 5CT tubing/casing products separate from integral flowline products. Pup joint manufacturers are suppliers that make or finish short tubular components for a defined casing, tubing or flowline string. Read the Synbase Steel company site for company information.

Disclosure: This guide is published by Synbase Steel. We list ourselves first because this is our website, not because we claim to be the market leader. The other 19 manufacturers are grouped by what they’re best for, in no particular order within each group.

Quick Picks by Buying Situation

Four buying situations for pup joint manufacturer selection

API 5CT tubing/casing and cut-to-order: Synbase Steel, Tejas Tubular, Texas Pipe Works, China Vigor and Shandong Saigao.
Integrated OCTG and premium connections: Vallourec and TMK.
Integral or high-pressure flowline: NOV/Grant Prideco, STS Products, Jereh, SGPE and Sharma Technocast.
Any-length threading or specialized assemblies: ETMT, K&B, Hunting and Drilltech.

How We Selected These Pup Joint Manufacturers

How pup joint manufacturers were selected and screened

We selected companies from official pages showing finished pup joints, machining/threading or flowline responsibility. The shortlist prioritizes finished-product scope, named manufacturing responsibility and connection family. We recorded role, product family and procurement restriction. Company information was verified against official websites and public sources available in October 2026. Marketing pages show scope; ask for current facility license status. Trading companies, sourcing platforms and directories were excluded. The API 5CT pup-joint product page is the scope reference for the featured supplier.

20 Pup Joint Manufacturers at a Glance

How to read the pup joint manufacturer comparison table

No.	Company Name	Headquarters	Founded Year	Best For	Brief Introduction	pup-joint product scope and connection families	Key Advantages	Potential Disadvantages	Official Website
1	Synbase Steel	Yantai, China (production HQ); E-CHENG Steel Group HQ Hong Kong	2005 (E-CHENG Steel Group); subsidiary formed 2013	API 5CT tubing/casing with cut-to-order length	Dedicated OCTG pup-joint manufacturer/supplier (official page describes machining and in-house QA).	Published: API 5CT tubing and casing, 2–12 ft (standard 6 ft), 2⅜–13⅜ in OD; J55–P110 and EUE/NUE/BTC/LTC/STC; cut-to-order and specialty options.	API 5CT material is machined to the specified grade, weight and connection.	Manufacturing location, facility license scope and lead time remain plant-specific.	synbasesteel.com
2	Tejas Tubular	Houston, Texas, USA	—	U.S.-made API 5CT pups and custom threading	US OCTG manufacturer of API pup joints, tubing and couplings.	Published: standard 2–12 ft and custom lengths; EUE, NUE, USS Buttress and premium connections; perforated, gas-lift and crossover variants; multiple diameters/grades.	Tejas describes in-house steel selection, heat treatment, inspection and coating.	Current API status, production records and delivery window remain quote-specific.	tejastubular.com
3	Texas Pipe Works	Navasota, Texas, USA	—	All-size API casing/tubing pup joints	US API threaded-pipe products manufacturer, including pup joints and couplings.	Published: tubing and casing pup joints in all sizes, grades and thread profiles; seamless tubing, machined or upset; special requirements on request.	The official product page explicitly distinguishes tubing pups made from seamless tubing and machined or upset to final dimensions.	The official website currently exposes a hosting/server page at the root, and the product page does not publish founding year or current certificates.	texaspipeworks.com
4	Vallourec	Boulogne-Billancourt, France	1899	Integrated OCTG and premium-connection programs	Manufacturer of seamless steel tubes and tubular products; Oil & Gas division supplies OCTG and accessories.	Casing/tubing pup joints with API and VAM connection families are listed.	The official OCTG accessories brochure explicitly defines and supplies pup joints and gives connection, stock and grade scope.	Plant, lead time, pricing and inventory remain program-specific.	vallourec.com
5	NOV/Grant Prideco	Houston, Texas, USA	NOV founded 1862; Grant Prideco/Anson brand date not established	20,000-psi integral flowline pup joints	Energy technology and equipment provider; supplies Anson flowline pup joints and tubular products through NOV businesses/brands.	Explicit Anson pup-joint scope: interconnecting flowline pipework; various sizes/styles; standard or sour-gas H2S service; full material traceability and certification. NOV also publishes a complete flowline product range.	NOV's official product page identifies a complete 20,000-psi flowline product line including pup joints and states sour-gas availability.	Anson flowline pup joints are for the flowline family; if the RFQ is for OCTG casing/tubing, confirm a separate product line, connection, size, pressure rating and manufacturing location.	nov.com
6	TMK	Moscow, Russia	2001	Integrated OCTG string elements	Steel pipe manufacturer and oilfield-services provider producing OCTG and premium casing/tubing-string elements.	TMK lists pup joints among premium casing/tubing string elements.	TMK explicitly combines OCTG manufacturing with a named pup-joint product in its integrated-services offering.	Plant, dimensions, connections and availability are quotation-specific.	tmk-group.com
7	TIP TOP	—	Operating history: more than 20 years as of 2026.	One source for tubing, casing, drill-pipe and flowline pups	Manufacturer of pup joints, according to its official technical article.	Explicitly published full range of tubing, casing, drill-pipe and flow-line pup joints. Published ranges include tubing 2 ft–12 ft, casing 2 ft–10 ft, drill pipe 6 in–10 ft and flow-line custom; listed materials and connection examples vary by family.	Only company in this comparison that explicitly publishes all four requested pup-joint families, including flow-line, with dimensions and connection examples.	Legal entity, certification numbers, product datasheet, lead time and finished in-house production remain quote-specific.	tiptopm.com
8	JST Steel Pipes	Pudong District, Shanghai, China	1984	API 5CT pup-joint product sourcing	Steel-tube manufacturer with API 5CT tubing/casing and an explicitly listed API 5CT pup-joint product line/thread-processing capability.	Official navigation explicitly lists API 5CT Pup Joint; the official homepage does not provide dimensions, grades, threads or integral-flowline scope.	The site identifies the operating factory, address, founding year and a dedicated API 5CT pup-joint line rather than merely using generic OCTG language.	Certificate copies and dimensions remain quote-specific.	jststeelpipes.com
9	Eastern Steel	—	—	OCTG grades and finished-part sourcing	Manufacturer and distributor of steel pipe, OCTG and fittings; official site explicitly lists finished pup joints.	Explicitly publishes OCTG pup joints, casing and tubing; page describes pup joints as short tubular sections used to adjust casing/tubing/drill-string length. No integral-flowline pup-joint family is stated on the product page.	The company explicitly distinguishes first-step processing, semi-finished parts and finished parts, while also naming pup joints within its OCTG offering.	The official pages do not publish headquarters, founding year, pup-joint dimensions/connections or a current certificate number; source mill and finishing responsibility remain supplier-specific.	eastern-steels.com
10	Hunting Energy Services	—	—	TCP firing-head housing pups	Oilfield equipment/component manufacturer; official product page offers tubing pup joints as components for TCP firing heads.	Tubing pup joints used to house Drop Bar Hydrostatic and Direct Pressure Firing Heads; standard API N-80 grade, manufactured to specified length. Scope is application-specific.	Hunting explicitly states its tubing pup joints are manufactured to the customer's specified length and are standard API N-80 grade.	The published scope is tied to housing firing heads in perforating assemblies; it does not establish broad casing/tubing OCTG, integral flowline, or independent threading.	huntingplc.com
11	STS Products	Conroe, Texas, USA	—	Integral, NPST and butt-weld flowline pups	Flowline and oilfield equipment manufacturer/supplier offering integral, NPST and butt-weld pup joints.	Integral pup joints: 2–3 in, 1–12 ft, up to 15,000 psi; NPST: 2–3 in, 1–20 ft, up to 15,000 psi; butt-weld: 2–4 in, 1–20 ft, up to 6,000 psi.	STS publishes unusually concrete finished-product scope, including sizes, lengths, pressure ratings and three pup-joint constructions.	Pressure class and certification package are configuration-specific.	stsproductsinc.com
12	Jereh	—	—	Sour-service integral flowline manifolds	Flowline integral-pup-joint manufacturer	Integral pup joints forged from premium alloy steel for fracturing, cementing, maintenance and test manifolds; sour-service versions are listed.	Jereh offers customized integral pup-joint service for manifold applications.	Formal HQ, founding year and public API certification remain unspecified for this product; the manifold-focused flowline range leaves connection, pressure class and sour-service documentation configuration-specific.	jereh-pe.com
13	PKNM (Perm Oil Machine Engineering Company, Ltd.)	—	Manufacturing history: 25 years as of 2026.	Drill-string length adjustment	Russian drilling-equipment manufacturer	Finished drilling pup-joints for adjusting drill-string length; official production page lists lengths from 3.3 to 13.1 ft.	Official corporate page explicitly places pup-joints among its manufactured product range.	Threading/machining details, certification and exact HQ remain unspecified; the page’s length range leaves the thread standard and inspection package quote-specific.	pknm.ru
14	SGPE	—	Operating history: more than 20 years as of 2026.	Forged flowline systems with FIG options	Flowline equipment manufacturer/supplier with finished flowline pup-joint production capability	API integral forged flowline pup joints, including pressure-seal, conventional, H2S, welded-union and welded-flange types; common sizes 1–4 in and 10-ft example.	Controlled forging, machining and heat treatment are described, with FIG206/402/602/1002/1502 options.	Pressure class, connection type and project documentation are configuration-specific; a blanket API monogram cannot be assumed across every pup-joint configuration.	sgpe.com
15	China Vigor Drilling Oil Tools and Equipment Co., Ltd.	City not published	2008	Custom API 5CT tubing/casing pups	OCTG pup-joint manufacturer	API 5CT casing and tubing pup joints; upsetting and machining; grades through Q125/13Cr and API/premium threads.	Customizes OD, ID, length, coating and threading and documents both upsetting and machining routes.	Exact headquarters city and detailed product-specific API license scope remain unspecified; configuration and API scope are order-package variables.	vigordrilling.com
16	Sharma Technocast	Ahmedabad, Gujarat, India	2013	Wing-union integral pups up to 15,000 psi	Oilfield forged-component manufacturer of integral pup joints	Integral pup joints with wing-union end connections; high-strength alloy steel; lengths up to 10 ft and CWP up to 15,000 psi.	The product scope covers flowline service, wing-union connections and 15,000-psi CWP.	Official page does not publish a product-specific API monogram/license or detailed pup-joint test regime.	sharmatechnocast.com
17	Drilltech Oilfield Equipment Manufacturing and Services LLC	Dubai, UAE; ICAD III Abu Dhabi facility also listed	—	UAE-made pin-and-box tubing/casing pups	Oilfield equipment manufacturer machining finished tubing/casing pup joints	Tubing and casing pup joints made from seamless steel; J55/K55/N80/L80/P110; 2⅜–4½-in tubing and 4½–13⅜-in casing sizes; machined pin-and-box threads.	Product page gives concrete dimensions, grades and thread configurations.	Founding year and pup-joint-specific API license/monogram remain unspecified; published dimensions, grades and pin-and-box threads leave delivery window as an order-package variable.	drilltechuae.com
18	K&B Industries	Schriever, Louisiana, USA	1974	U.S. tubular accessories and threading	U.S. manufacturer and premium/API threader of tubular accessories and OCTG products	Tubular-accessories page lists pup joints; facilities provide manufacturing, machining, end finishing, API/premium threading, NDE and testing.	Broad in-house scope combines pup-joint manufacturing/threading with machining, end finishing, testing, coatings and finished-goods inventory.	The public scope covers accessories and threading; pup-joint grade, length and a separate finished-pup production line remain configuration-specific.	kb-industries.com
19	Energy Technology Manufacturing & Threading (ETMT)	Houston, Texas, USA	—	Any-length, customer-threaded pups	Houston-based oilfield pipe threading, machining and pup-joint manufacturer	Houston facility makes customer-length pup joints and threads specified pipe.	The company explicitly offers any required pup-joint length and customer-specified thread under one manufacturing and testing facility.	The official page does not publish a founding year, detailed pup-joint size/grade table or a separate integral-flowline product family.	technologymanufacturing.org
20	Shandong Saigao Group Corporation	Jinan, Shandong, China	—	Detailed API 5CT size/grade comparisons	Chinese oilfield-equipment manufacturer with an OCTG/casing-and-tubing pup-joint product line	Official product page says it manufactures all-size, all-grade, all-thread-profile pup joints; tubing pups use seamless tubing and are machined or upset to final dimensions.	The public range covers both tubing and casing pups with published sizes, typical lengths, grades, connections and pin-pin/coupled options.	Selected configuration and certificate scope remain order-specific.	saigaogroup.com

Integrated OCTG Mills and Multi-Standard Tubular Programs

Integrated OCTG mills and tubular pup joint programs

Integrated mills can assist in simplifying material control, but the named route of pup-joint processing, thread scope and facility still need to be evaluated to confirm an RFQ fit. The entries below are grouped here because their official material connects pup joints to tubing/casing or a wider OCTG product line.

1. Synbase Steel

Best for: API 5CT tubing/casing with cut-to-order length

Headquarters: Yantai, China (production HQ); E-CHENG Steel Group HQ Hong Kong · Founded: 2005 (E-CHENG Steel Group); subsidiary formed 2013 · Company role: Dedicated OCTG pup-joint manufacturer/supplier (official page describes machining and in-house QA).

Official website: synbasesteel.com

Best for: API 5CT tubing/casing with cut-to-order length

Main products: API 5CT tubing and casing pup joints; specialty/perforated, crossover and drill-pipe pups.

Published pup-joint scope: Published: API 5CT tubing and casing, 2–12 ft (standard 6 ft), 2⅜–13⅜ in OD; J55–P110 and EUE/NUE/BTC/LTC/STC; cut-to-order and specialty options.

Quality/API scope: The page cites compliance with API 5CT and ISO 11960; it also mentions EN 10204 3.1 mill inspection records and an API Monogram where applicable, plus in-house QA and sour-service scope.

Synbase Steel fits buyers who need API 5CT tubing/casing with cut-to-order length. The official page says the product is full API 5CT non-welded material and is machined to the exact grade, weight and connection of the string. Its published scope is useful when the buyer has already fixed the string family.

Procurement limitation: Manufacturing location, facility license scope and lead time remain plant-specific.

2. Tejas Tubular

Best for: U.S.-made API 5CT pups and custom threading

Headquarters: Houston, Texas, USA · Founded: Official pages available in October 2026 do not state an exact founding year. · Company role: US OCTG manufacturer of API pup joints, tubing and couplings.

Official website: tejastubular.com

Best for: U.S.-made API 5CT pups and custom threading

Main products: API pup joints, API tubing and couplings; OCTG connections.

Published pup-joint scope: Published: standard 2–12 ft and custom lengths; EUE, NUE, USS Buttress and premium connections; perforated, gas-lift and crossover configurations; multiple diameters/grades.

Quality/API scope: Published: API 5CT compliant/certified; seamless tubing input, CNC threading, heat treatment, hydrostatic testing up to 20,000 psi and full-body ultrasonic inspection.

Tejas Tubular fits buyers who need U.S.-made API 5CT pups and custom threading. Tejas states it controls the process in-house from steel selection through heat treatment, inspection and coating, and calls itself North America’s largest producer of API 5CT-compliant pup joints.

Procurement limitation: Current API license status, capacity and delivery window remain quote-specific.

3. Texas Pipe Works

Best for: All-size API casing/tubing pup joints

Headquarters: Navasota, Texas, USA · Founded: Official pages available in October 2026 do not state an exact founding year. · Company role: US API threaded-pipe products manufacturer, including pup joints and couplings.

Official website: texaspipeworks.com

Best for: All-size API casing/tubing pup joints

Main products: API tubing and casing pup joints, API casing/tubing couplings and accessories.

Published pup-joint scope: Published: tubing and casing pup joints in all sizes, grades and thread profiles; seamless tubing, machined or upset; special requirements on request.

Quality/API scope: Published: all API casing and tubing pup joints manufactured according to API Spec 5CT; official site also labels the company API certified and publishes product traceability.

Texas Pipe Works fits buyers who need all-size API casing/tubing pup joints. The official product page explicitly distinguishes tubing pups made from seamless tubing and machined or upset to final dimensions. This entry is most useful when the connection and finished length are already known. The hosting page makes a live operating address and certificate package a pre-award requirement.

Procurement limitation: The site root currently exposes a hosting/server page; certificates, operating address and delivery capability remain quote-specific.

4. Vallourec

Best for: Integrated OCTG and premium-connection programs

Headquarters: Boulogne-Billancourt, France · Founded: 1899 · Company role: Manufacturer of seamless steel tubes and tubular products; Oil & Gas division supplies OCTG and accessories.

Official website: vallourec.com

Best for: Integrated OCTG and premium-connection programs

Main products: Seamless steel tubes, OCTG casing/tubing, API and VAM premium connections, crossovers and casing/tubing accessories.

Published pup-joint scope: Explicitly publishes casing/tubing pup joints as a product: short casing or tubing; the accessories brochure lists all API connections, VAM OCTG/drilling connections and other connections on request, with API grades and proprietary/CRA grades.

Quality/API scope: Published brochure says VAM connections are validated through full-scale physical testing at R&D centers; it also states all API connections and API grades available. No broader ISO claim.

Vallourec fits buyers who need integrated OCTG and premium-connection programs. The official OCTG accessories brochure explicitly defines and supplies pup joints and gives connection, stock and grade scope.

Procurement limitation: The publication establishes product scope but doesn’t state that every Vallourec site manufactures pup joints; plant, lead time, pricing and inventory remain program-specific.

6. TMK

Best for: Integrated OCTG string elements

Headquarters: Moscow, Russia · Founded: 2001 · Company role: Steel pipe manufacturer and oilfield-services provider producing OCTG and premium casing/tubing-string elements.

Official website: tmk-group.com

Best for: Integrated OCTG string elements

Main products: Seamless OCTG, line pipe, industrial pipe, premium connection pipe, plain-end tubing and oilfield services.

Published pup-joint scope: Official TMK Integrated Services material explicitly states manufacturing premium elements of casing and tubing strings, including pup joints, transition pipes and downhole filters; it also states OCTG waterproofing, threading, repair and maintenance services.

Quality/API scope: Official TMK material states that casing and tubing can be supplied under API standards; no ISO claim is made here.

TMK fits buyers who need integrated OCTG string elements. TMK explicitly combines OCTG manufacturing with a named pup-joint product in its integrated-services offering. The integrated string program requires the pup-joint plant and connection family to be fixed in the quotation.

Procurement limitation: Plant, dimensions, connection families, availability and certification scope remain site-specific.

8. JST Steel Pipes

Best for: API 5CT pup-joint product sourcing

Headquarters: Pudong District, Shanghai, China · Founded: 1984 · Company role: Steel-tube manufacturer with API 5CT tubing/casing and an explicitly listed API 5CT pup-joint product line/thread-processing capability.

Official website: jststeelpipes.com

Best for: API 5CT pup-joint product sourcing

Main products: Seamless carbon steel pipes, oil line pipe, tubing, casing, drill pipe, couplings and special pipes.

Published pup-joint scope: Official navigation explicitly lists API 5CT Pup Joint; the reviewed homepage doesn’t provide dimensions, grades, threads or integral-flowline scope.

Quality/API scope: The site publishes API 5CT product scope and cites API 5CT thread-processing certification where separately applicable; it also lists API 5L, API 5D, API Q1, ISO/TS29001 and ISO9001 history.

JST Steel Pipes fits buyers who need API 5CT pup-joint product sourcing. The site identifies the operating factory, address, founding year and a dedicated API 5CT pup-joint line rather than merely using generic OCTG language.

Procurement limitation: The public entry is a product listing rather than a finished-item datasheet; dimensions, grades and certificate copies remain quote-specific.

9. Eastern Steel

Best for: OCTG grades and finished-part sourcing

Headquarters: The official pages identify the operating geography but do not publish a formal headquarters city. · Founded: Company pages available in October 2026 do not publish an exact founding year. · Company role: Manufacturer and distributor of steel pipe, OCTG and fittings; official site explicitly lists finished pup joints.

Official website: eastern-steels.com

Best for: OCTG grades and finished-part sourcing

Main products: Seamless and welded steel pipe, OCTG (casing, tubing, drill pipe and pup joints), fittings, valves and other steel products.

Published pup-joint scope: Explicitly publishes OCTG pup joints, casing and tubing; page describes pup joints as short tubular sections used to adjust casing/tubing/drill-string length. No integral-flowline pup-joint scope found.

Quality/API scope: Official product text states API 5CT casing, tubing and drill pipe in J55, K55, N80, L80 and P110 grades. No ISO certification is listed on the cited company pages.

Eastern Steel fits buyers who need OCTG grades and finished-part sourcing. The company explicitly distinguishes first-step processing, semi-finished parts and finished parts, while also naming pup joints within its OCTG offering. This is a focused fit rather than a broad fit when the supplier scope matches the requested grades and finishing route. Source mill and finishing responsibility are the key supplier-specific fields before a purchase order.

Procurement limitation: The official pages don’t publish headquarters, founding year, pup-joint dimensions/connections or a current certificate number; source mill and finishing/threading responsibility remain supplier-specific.

20. Shandong Saigao Group Corporation

Best for: Detailed API 5CT size/grade comparisons

Headquarters: Jinan, Shandong, China · Founded: Official pages available in October 2026 do not state an exact founding year. · Company role: Chinese oilfield-equipment manufacturer with an OCTG/casing-and-tubing pup-joint product line

Official website: saigaogroup.com

Best for: Detailed API 5CT size/grade comparisons

Main products: Oilfield machinery, OCTG casing/tubing accessories, couplings and pup joints

Published pup-joint scope: Official product page says it manufactures all-size, all-grade, all-thread-profile pup joints; tubing pups use seamless tubing and are machined or upset to final dimensions; casing/tubing ranges and 1–12 ft typical lengths are published.

Quality/API scope: Product page states API Spec 5CT manufacture for casing and tubing pup joints and offers custom markings, painting, plating and inspection.

Shandong Saigao Group Corporation fits buyers who need detailed API 5CT size/grade comparisons. The public range covers both tubing and casing pups with published sizes, typical lengths, grades, connections and pin-pin/coupled options. The product page gives a direct starting point for the RFQ.

Procurement limitation: The official material doesn’t disclose a founding year or a current independent certificate number for the pup-joint line, and it doesn’t claim integral-flowline pup joints; the detailed product URL is currently unavailable, so request a current datasheet and certificate package before ordering.

Dedicated Pup-Joint Fabricators and Threading Specialists

A more direct, named fabrication or threading responsibility is published by the following companies. These companies are best suited to meet a defined short-length order where the buyer can match the connection, grade and inspection requirements of the facility.

10. Hunting Energy Services

Best for: TCP firing-head housing pups

Headquarters: Operating geography is stated on the official pages; a formal headquarters city is not listed. · Founded: The company profile lists no exact founding year as of October 2026. · Company role: Oilfield equipment/component manufacturer; official product page offers tubing pup joints as components for TCP firing heads.

Official website: huntingplc.com

Best for: TCP firing-head housing pups

Main products: Critical oilfield components and systems, including perforating/logging systems, firing bodies, firing heads and tubing pup joints.

Published pup-joint scope: Tubing pup joints used to house Drop Bar Hydrostatic and Direct Pressure Firing Heads; standard API N-80 grade, manufactured to specified length. Scope is specialized TCP/perforating hardware, not a general OCTG catalog.

Quality/API scope: The product page explicitly states standard API N-80 grade pup joints, but does not publish an API license or ISO certification on that product page.

Hunting Energy Services fits buyers who need TCP firing-head housing pups. Hunting explicitly states its tubing pup joints are manufactured to the customer's specified length and are standard API N-80 grade. The stated scope helps once the buyer has fixed the string family. This range is for firing-head housings rather than a general OCTG or flowline pup program.

Procurement limitation: Use this range for firing-head housing applications; a general casing/tubing OCTG, integral-flowline or independent-threading package is outside the published scope. State the application and certification requirements in the RFQ.

18. K&B Industries

Best for: U.S. tubular accessories and threading

Headquarters: Schriever, Louisiana, USA · Founded: 1974 · Company role: U.S. manufacturer and premium/API threader of tubular accessories and OCTG products

Official website: kb-industries.com

Best for: U.S. tubular accessories and threading

Main products: Tubular accessories, pup joints, premium/API threading, machining and oilfield tubular services

Published pup-joint scope: Tubular-accessories page lists pup joints; facilities provide manufacturing, machining, end finishing, API/premium threading, NDE and testing.

Quality/API scope: ISO 9001:2015-certified and API/premium threading licenses are stated by the company page; request the current license copy and facility scope with the quote.

K&B Industries fits buyers who need U.S. tubular accessories and threading. Broad in-house scope combines pup-joint manufacturing/threading with machining, end finishing, testing, coatings and finished-goods inventory.

Procurement limitation: The public scope covers accessories and threading; pup-joint grade, length and a separate finished-pup production line remain configuration-specific.

19. Energy Technology Manufacturing & Threading (ETMT)

Best for: Any-length, customer-threaded pups

Headquarters: Houston, Texas, USA · Founded: Official pages available in October 2026 do not state an exact founding year. · Company role: Houston-based oilfield pipe threading, machining and pup-joint manufacturer

Official website: technologymanufacturing.org

Best for: Any-length, customer-threaded pups

Main products: Oilfield pipe threading, machining, repair, assembly, testing and tubular accessories

Published pup-joint scope: Houston facility can thread, repair and manufacture pup joints and marker joints to any customer-required length and machine customer-specified threads; pipe capability up to 11 7/8 in.

Quality/API scope: The company page lists API 5B license 5B-0449 and says its quality system meets API-Q1, CSA and ABSA requirements; request the current license copy, audit record and facility scope with the quote.

Energy Technology Manufacturing & Threading (ETMT) fits buyers who need any-length, customer-threaded pups. The company explicitly offers any required pup-joint length and customer-specified thread under one manufacturing and testing facility. This profile is most useful once the connection and finished length are fixed. Any-length threaded work is configured per order, so the RFQ must name size, grade and inspection route.

Procurement limitation: The official page doesn’t publish a founding year, detailed pup-joint size/grade table or a separate integral-flowline product family.

15. China Vigor Drilling Oil Tools and Equipment Co., Ltd.

Best for: Custom API 5CT tubing/casing pups

Headquarters: The company profile states the operating geography, while the formal headquarters city is not specified. · Founded: 2008 · Company role: OCTG pup-joint manufacturer

Official website: vigordrilling.com

Best for: Custom API 5CT tubing/casing pups

Main products: Downhole and completion tools; OCTG and pup joints

Published pup-joint scope: API 5CT casing and tubing pup joints; upsetting and machining; grades through Q125/13Cr and API/premium threads.

Quality/API scope: The official company page displays API 5B and API 11D1 references; the product page states API 5CT.

China Vigor Drilling Oil Tools and Equipment Co., Ltd. fits buyers who need custom API 5CT tubing/casing pups. The company customizes OD, ID, length, coating and threading and documents both upsetting and machining routes.

Procurement limitation: Exact headquarters city and detailed product-specific API license scope remain unspecified; configuration and API scope are order-package variables.

17. Drilltech Oilfield Equipment Manufacturing and Services LLC

Best for: UAE-made pin-and-box tubing/casing pups

Headquarters: Dubai, UAE; ICAD III Abu Dhabi facility also listed · Founded: Official pages available in October 2026 do not state an exact founding year. · Company role: Oilfield equipment manufacturer machining finished tubing/casing pup joints

Official website: drilltechuae.com

Best for: UAE-made pin-and-box tubing/casing pups

Main products: Wellheads, Christmas trees, drill-stem elements, casing/tubing accessories and fabrication services

Published pup-joint scope: Tubing and casing pup joints made from seamless steel; J55/K55/N80/L80/P110; 2⅜–4½-in tubing and 4½–13⅜-in casing sizes; machined pin-and-box threads.

Quality/API scope: Official site says critical oilfield equipment is made to API standards and references API 7; product page gives material/thread range.

Drilltech Oilfield Equipment Manufacturing and Services LLC fits buyers who need UAE-made pin-and-box tubing/casing pups. Product page gives concrete dimensions, grades and thread configurations. The product page ties the company claim to dimensions and grades for pin-and-box sourcing. A comparable quote needs one pin-and-box size/grade combination with its certification package.

Procurement limitation: Founding year and pup-joint-specific API license/monogram remain unspecified; published dimensions, grades and pin-and-box threads leave delivery window as an order-package variable.

13. PKNM (Perm Oil Machine Engineering Company, Ltd.)

Best for: Drill-string length adjustment

Headquarters: Its pages describe the operating geography without naming a formal headquarters city. · Founded: Manufacturing history: 25 years as of 2026; exact founding year isn’t stated. · Company role: Russian drilling-equipment manufacturer

Official website: pknm.ru

Best for: Drill-string length adjustment

Main products: Drill collars, HWDP, Kelly, subs, pumps and drilling equipment

Published pup-joint scope: Finished drilling pup-joints for adjusting drill-string length; official production page lists lengths from 3.3 to 13.1 ft.

Quality/API scope: Official production page lists manufactured pup-joints; a pup-joint-specific API or ISO scope is not publicly stated.

PKNM (Perm Oil Machine Engineering Company, Ltd.) fits buyers who need drill-string length adjustment. Official corporate page explicitly places pup-joints among its manufactured product range.

Procurement limitation: Threading/machining details, certification and exact HQ remain unspecified; the page’s length range leaves the thread standard and inspection package quote-specific.

Integral Flowline and High-Pressure Pup-Joint Specialists

Flowline pups use different pressure ratings and hammer-union or integral constructions from API 5CT casing and tubing pups. Keep connection family, working pressure and sour service requirement clear in the RFQ.

5. NOV/Grant Prideco

Best for: 20,000-psi integral flowline pup joints

Headquarters: Houston, Texas, USA · Founded: 1862 (NOV and predecessor companies; Grant Prideco/Anson brand date not established) · Company role: Energy technology and equipment provider; supplies Anson flowline pup joints and tubular products through NOV businesses/brands.

Official website: nov.com

Best for: 20,000-psi integral flowline pup joints

Main products: Energy equipment and technology; flowline equipment, tubular products, drill-string connections and OCTG-related products.

Published pup-joint scope: Explicit Anson pup-joint scope: interconnecting flowline pipework; various sizes/styles; standard or sour-gas H2S service; full material traceability and certification. NOV also publishes a complete 20,000-psi flowline line including pup joints.

Quality/API scope: For Anson pup joints, official page explicitly states full material traceability and certification; it does not assert ISO/API certification on that page.

NOV/Grant Prideco fits buyers who need 20,000-psi integral flowline pup joints. NOV's official product page identifies a complete 20,000-psi flowline product line including pup joints and states sour-gas availability. This is a focused fit rather than a broad fit for integral flowline service where the published pressure and sour-gas scope match the line. The Anson range is flowline-specific and must be matched to the service family before award.

Procurement limitation: Anson flowline pup joints are for the flowline family; if the RFQ is for OCTG casing/tubing, confirm a separate product line, connection, size, pressure rating, manufacturing location and certification package.

11. STS Products

Best for: Integral, NPST and butt-weld flowline pups

Headquarters: Conroe, Texas, USA · Founded: Official pages available in October 2026 do not state an exact founding year. · Company role: Flowline and oilfield equipment manufacturer/supplier offering integral, NPST and butt-weld pup joints.

Official website: stsproductsinc.com

Best for: Integral, NPST and butt-weld flowline pups

Main products: BOP accumulator units, remote panels, hydraulic tongs, power units, hammer unions, swivel joints, flanges/spools/tees/crosses, manifolds, high-pressure test units and pup joints.

Published pup-joint scope: Integral pup joints: 2–3 in, 1–12 ft, up to 15,000 psi; NPST: 2–3 in, 1–20 ft, up to 15,000 psi; butt-weld: 2–4 in, 1–20 ft, up to 6,000 psi. Integral versions are forged-ended/seamless upset.

Quality/API scope: Official product page states pup joints are hydrostatically tested at 1.5 times rated cold working pressure (for integral and butt-weld descriptions). No API/ISO certification is stated on the product page.

STS Products fits buyers who need integral, NPST and butt-weld flowline pups. STS publishes unusually concrete finished-product scope, including sizes, lengths, pressure ratings and three pup-joint constructions. The product page gives a direct starting point for the RFQ.

Procurement limitation: These are flowline/hammer-union pup joints rather than API 5CT casing/tubing OCTG pup joints; the product page does not publish API/ISO certification, so request those documents separately before considering any OCTG substitution.

12. Jereh

Best for: Sour-service integral flowline manifolds

Headquarters: The official company profile states the operating geography; the formal headquarters city is not specified. · Founded: Company pages available in October 2026 omit a founding year. · Company role: Flowline integral-pup-joint manufacturer

Official website: jereh-pe.com

Best for: Sour-service integral flowline manifolds

Main products: Drilling, completion, stimulation and flowline equipment

Published pup-joint scope: Integral pup joints forged from premium alloy steel for fracturing, cementing, maintenance and test manifolds; sour-service versions are listed.

Quality/API scope: NACE MR0175 sour-service versions; advanced metal melting and heat-treatment technology stated.

Jereh fits buyers who need sour-service integral flowline manifolds. Jereh offers customized integral pup-joint service for manifold applications. This published scope matters after the buyer has fixed the string family. The manifold-focused range is intended for fracturing, cementing and test service rather than general OCTG strings.

Procurement limitation: Formal HQ, founding year and public API certification remain unspecified for this product; the manifold-focused flowline range leaves connection, pressure class and sour-service documentation configuration-specific.

14. SGPE

Best for: Forged flowline systems with FIG options

Headquarters: The official company profile states the operating geography; the formal headquarters city is not specified. · Founded: Operating history: more than 20 years as of 2026; exact founding year isn’t stated. · Company role: Flowline equipment manufacturer/supplier with finished flowline pup-joint production capability

Official website: sgpe.com

Best for: Forged flowline systems with FIG options

Main products: API 6A/16A valves, manifolds and high-pressure flowline equipment

Published pup-joint scope: API integral forged flowline pup joints, including pressure-seal, conventional, H2S, welded-union and welded-flange types; common sizes 1–4 in and 10-ft example.

Quality/API scope: API-related records available on request; NACE, third-party inspection, pressure-test reports and material certificates can be confirmed per project.

SGPE fits buyers who need forged flowline systems with FIG options. Controlled forging, machining and heat treatment are described, with FIG206/402/602/1002/1502 options.

Procurement limitation: Pressure class, connection type and project documentation are configuration-specific; a blanket API monogram cannot be assumed across every pup-joint configuration.

16. Sharma Technocast

Best for: Wing-union integral pups up to 15,000 psi

Headquarters: Ahmedabad, Gujarat, India · Founded: 2013 · Company role: Oilfield forged-component manufacturer of integral pup joints

Official website: sharmatechnocast.com

Best for: Wing-union integral pups up to 15,000 psi

Main products: Metal casting, forging, CNC machining and oilfield components

Published pup-joint scope: Integral pup joints with wing-union end connections; high-strength alloy steel; lengths up to 10 ft and CWP up to 15,000 psi.

Quality/API scope: Product page says API-compliant design/manufacturing; the company page cites AS9100 and ISO 9001 certifications.

Sharma Technocast fits buyers who need wing-union integral pups up to 15,000 psi. The product scope covers flowline service, wing-union connections and 15,000-psi CWP. For this product, the connection and finished length should already be known. Wing-union integral pups are flowline-specific; match connection and pressure class before quoting.

Procurement limitation: Official page doesn’t publish a product-specific API monogram/license or detailed pup-joint test regime.

7. TIP TOP

Best for: One source for tubing, casing, drill-pipe and flowline pups

Headquarters: Operating geography is stated on the official pages; formal headquarters city isn’t publicly disclosed. · Founded: Operating history: more than 20 years as of 2026; exact founding year isn’t stated. · Company role: Manufacturer of pup joints, according to its official technical article.

Official website: tiptopm.com

Best for: One source for tubing, casing, drill-pipe and flowline pups

Main products: Tubing, casing, drill-pipe and flow-line pup joints; the product page is product-focused and doesn’t establish a broader catalog.

Published pup-joint scope: Explicitly published full range of tubing, casing, drill-pipe and flow-line pup joints. Published ranges include tubing 2 ft–12 ft, casing 2 ft–10 ft, drill pipe 6 in–10 ft and flow-line custom; listed materials and connection examples vary by family.

Quality/API scope: Official page states manufacture to API 5CT, API 7 and API 6A depending on type/application, and says CNC machining and thread gauging are used. No ISO certification explicitly.

TIP TOP fits buyers who need one source for tubing, casing, drill-pipe and flowline pups. TIP TOP explicitly publishes tubing, casing, drill-pipe and flow-line pup-joint families with dimensions and connection examples.

Procurement limitation: Legal entity, certification numbers, product datasheet, lead time and finished in-house production remain quote-specific.

Regional and Export-Oriented Suppliers With Named Finishing Scope

Regional and export-oriented pup joint supplier evidence path

In cases where finished dimensions and documentation are clear, some regional exporters can be useful. For each quote, identify the producing entity and finishing site, attach the current license/inspection report, and compare delivery and price. The Shandong Saigao workshop page is one source a buyer can review alongside the RFQ.

How to Read the Regional/Export Entries

JST Steel Pipes, Eastern Steel, Shandong Saigao and the China-based entries in the cards above publish different levels of scope. Their RFQ fields include finished length after make-up, thread-gauge records, inspection documents, the shipping entity and heat-number traceability on production paperwork. The limitation lines are therefore part of the comparison rather than a generic warning.

How to Choose a Pup Joint Manufacturer

Short-length pup joint RFQ data card and fit-by-string checks

Carry out the following checks before requesting an equivalent quote. The purpose is to match the finished pup to the service string and verify that the named facility can process and inspect the configuration.

For an oil and gas order, state the manufacturing process separately from the material grade; a seamless or electric-welded pipe route should be quoted with the specified alloy steel pipe grade when applicable.

A casing pipe request is part of the oil country tubular-goods family; hence the product line should be named prior to a quote comparison.

Spacing for a drill-pipe assembly can include a tool joint; for production tubing, connection of tubing and coupling should be stated separately.

During drilling operations, the finished part must fit the tubing or casing string and support the intended drilling efficiency.

This also applies to well integrity: precise dimensions and correct tubular goods should be included in the RFQ.

Ultrasonic testing can help ensure reliable performance if its method and acceptance record are clear in the order.

Pup joints are made through different routes; strict quality language identifies the actual material and inspection step.

Thread integrity depends on the connection, gauge record and any advanced CNC machining used for the finished ends.

Magnetic particle inspection and the other operational requirements should be listed separately from the product standard.

A professional pup joint selection starts with the application. A pup joint is a short tubular, so the facility scope and document pack should match the string.

Check	What the buyer should state or verify	Why it changes the shortlist
Product family	Tubing, casing, drill-pipe, integral flowline, NPST or butt-weld construction.	These families use different dimensions, connections, pressure ratings and evidence.
Finished length	Assembled length after make-up, tolerance, and whether the length is standard or custom.	A short-length threader may fit better than a mill that only publishes full-length pipe.
Grade, OD and weight	J55, K55, N80, L80, P110 or other grade; nominal OD, wall/weight and any CRA requirement.	Grade and size determine material, heat treatment and inspection requirements.
Connection	EUE, NUE, STC, LTC, BTC, premium connection, pin/box or hammer union.	Connection compatibility is a separate check from the pipe grade.
API product scope	Look up the producing facility in the API Composite List and distinguish manufacturer, processor, threader and processed pup-joint products.	A company page alone does not prove a current license or a matching facility scope.
API 5B thread scope	Check the current API 5B edition, license number, thread family and gauging responsibility.	API 5CT product processing and API 5B threading can be separate scopes or facilities.
Traceability and documents	Heat number, MTR/EN 10204 3.1 or 3.2, dimensional report, thread-gauge record, hydrostatic/UT/MPI record and third-party inspection.	Documents make the RFQ comparable and protect against an untraceable source.
Service and delivery	Sour-service/NACE requirement, quantity, packaging, destination, stock position and lead time.	Pressure and corrosion service can remove otherwise suitable suppliers.

API 5CT Connection Compatibility Check: Before accepting a quote, map the tubing/casing family, grade, OD/weight, connection and coupling to the exact product and facility scope. Use a named standard as a specification reference; check the API Composite List when a supplier claims a current license or monogram.

Drill pipe pup joints belong on a separate RFQ line; if the required length is a non-standard length, state it and any other non-standard requirement before the supplier confirms the connection and inspection route.

Pup Joint Fit-by-String Matrix

String need	Shortlist evidence	Reject or hold when
API 5CT tubing pup	Published tubing family, finished length, EUE/NUE or premium connection, grade and traceability.	Page only says “OCTG” or lists a catalog without a finished-pup responsibility.
API 5CT casing pup	Casing OD/weight, STC/LTC/BTC or premium connection and API product scope.	Thread family or casing/tubing distinction is absent.
Integral flowline pup	Forged/integral construction, union or flowline connection, working pressure and sour-service option.	Buyer assumes it is interchangeable with an OCTG casing/tubing pup.
Custom short length	Explicit cut-to-order or any-length statement plus tolerance and inspection route.	Only standard lengths are published and the supplier will not state a machining route.

Short-Length Pup Joint RFQ Data Card

The following should be included on the same RFQ line: product family; nominal OD and weight; grade; connection and coupling; finished length after make-up plus tolerance; quantity; service environment; heat number traceability; required MTR/EN 10204 level; thread gauge and inspection records; pressure-test requirements; sour service requirements; packing; delivery destination; required ship date.

FAQ

Which is the best pup joint manufacturer for a standard tubing order?

There’s no universal winner; start with Tejas Tubular, Texas Pipe Works, Synbase Steel, China Vigor and Shandong Saigao for a standard tubing screen, then compare family, grade, connection and finished length. Tejas Tubular, Texas Pipe Works, Synbase Steel, China Vigor and Shandong Saigao publish useful tubing/casing evidence, but the final choice still depends on matching the RFQ to the supplier’s stated family, grade, connection and document package.

Who is the largest pup joint manufacturer in the world?

No defensible independent global ranking of pup-joint manufacturers is established. Tejas Tubular uses a “largest producer” description on its own site, but that’s a first-party marketing claim rather than a measured market-share result. Compare published scope, facility evidence, lead time and documents instead of treating a superlative as a qualification.

What is the difference between a pup joint manufacturer and a supplier?

A manufacturer or named threader publishes a processing, machining or threading responsibility tied to a facility, while a supplier may list the product while sourcing it elsewhere. Legal manufacturing entity, facility, heat number, thread-gauge record and applicable license or inspection evidence determine whether a supplier page supports a manufacturing qualification.

How much does a pup joint cost?

A reliable public price range for a comparable pup joint is not published. Price changes with tubing or casing family, grade, OD/weight, finished length, connection, inspection level, quantity, pressure, sour-service requirements and destination. In order to gain quotes that compare the same product, please complete a Short-Length Pup Joint RFQ Data Card in full.

What length is a pup joint?

Listed ranges are 2-12 ft, 1-12 ft or custom length, but the finished length is configuration specific. Some catalog pages state published ranges as 2-12 ft, 1-12 ft or custom length, while the actual length may vary based on make-up. The finished, assembled length and tolerance should be stated rather than relying on a “standard” length.

Are casing and tubing pup joints interchangeable?

No. Casing and tubing families vary in OD/weight, connection, coupling and service design. A tubing pup with EUE or NUE connection can’t be substituted for a casing pup with STC, LTC, BTC or a premium casing connection without engineering approval and a matching product/facility check.

Conclusion

The right pup-joint manufacturer is the one whose product family, connection, grade, finished length, inspection documents and delivery route match the string. Use the comparison table to build a shortlist, then complete the API 5CT Connection Compatibility Check and RFQ Data Card. For Synbase Steel’s published tubing and casing scope, review the pup-joint product page and send the requested grade, connection, length and document requirements for a technical quotation. For background terminology, see the pup-joint guide.