American Petroleum Institute
API 5L
Line Pipe
302 companies listed on Oilfield Index hold API 5L (Line Pipe), issued by the American Petroleum Institute.
Categories these companies serve
Certified companies 302
- TenarisAPI Composite Listlicence 5L-0038.1, 5L-0066.1, 5L-0066.3 +13Houston, TX, United States
- Ajmal Steel Tubes & Pipes Industries L.L.CAPI Composite Listlicence 5L-1216Abu Dhabi, Abu Dhabi, United Arab Emirates
- AJU Besteel Co., Ltd.API Composite Listlicence 5L-0710Pohang-si, Gyeongsangbuk-do, South Korea
- Al Gharbia Pipe Company LLCAPI Composite Listlicence 5L-1170Abu Dhabi, Abu Dhabi, United Arab Emirates
- Al Jazeera Steel Products Co. SAOGAPI Composite Listlicence 5L-1299Sohar, Al Batinah North, Oman
- Al Qahtani PCK Pipe CompanyAPI Composite Listlicence 5L-1095Dammam, Eastern Province, Saudi Arabia
- ALTUMET - Algérienne des Tubes MétalliquesAPI Composite Listlicence 5L-0557Réghaia, Algiers, Algeria
- American Cap Company, LLCAPI Composite Listlicence 5L-1129Wheatland, PA, United States
- American Steel PipeAPI Composite Listlicence 5L-0126Birmingham, AL, United States
- Angang Steel Co., Ltd.API Composite Listlicence 5L-1274Anshan, Liaoning, China
- Apolo Tubulars S.A.API Composite Listlicence 5L-0386Rio de Janeiro, RJ, Brazil
- Arabian Pipes CompanyAPI Composite Listlicence 5L-0311, 5L-0664Riyadh, Ar Riyad, Saudi Arabia
- ArcelorMittal DSTC FZEAPI Composite Listlicence 5L-1240Sharjah, Sharjah, United Arab Emirates
- ArcelorMittal Nippon Steel India Private LimitedAPI Composite Listlicence 5L-1208Surat, Gujarat, India
- ArcelorMittal Tubular Products Al-JubailAPI Composite Listlicence 5L-1026Jubail, Eastern Province, Saudi Arabia
- ArcelorMittal Tubular Products Roman S.A.API Composite Listlicence 5L-0231Roman, Neamt, Romania
- Artrom Steel Tubes S.A.API Composite Listlicence 5L-1271Slatina, Olt, Romania
- ASC Engineered Solutions dba Beck ManufacturingAPI Composite Listlicence 5L-0022Oak Brook, IL, United States
- Axis Pipe and TubeAPI Composite Listlicence 5L-1033Bryan, Texas, United States
- Baoruitong Steel Pipe Industry Co., Ltd.API Composite Listlicence 5L-1146Cangzhou, HE, China
- Baoshan Iron & Steel Co., Ltd. / Core Base FacilityAPI Composite Listlicence 5L-0295Shanghai, Shanghai, China
- Bashir Pipe Industries (Pvt.) LimitedAPI Composite Listlicence 5L-0807Lahore, Punjab, Pakistan
- BBJ Pipe Industries (Pvt) LtdAPI Composite Listlicence 5L-0341Lahore, Punjab, Pakistan
- Benteler Steel/TubeAPI Composite Listlicence 5L-1072Shreveport, Louisiana, United States
- Boly Pipe Co., Ltd.API Composite Listlicence 5L-0956Rayong, Rayong, Thailand
- Borusan Berg PipeAPI Composite Listlicence 5L-1292, 5L-1293Panama City, FL, United States
- Borusan Birlesik Boru Fabrikalari Sanayi Ve Ticaret A.S.API Composite Listlicence 5L-0114Istanbul, Turkey
- Borusan Pipe U.S., Inc.API Composite Listlicence 5L-1006Baytown, TX, United States
- Cangzhou Spiral Steel Pipes Group Co., Ltd.API Composite Listlicence 5L-0640Cangzhou, HE, China
- Capitol Manufacturing CompanyAPI Composite Listlicence 5L-0511Crowley, LA, United States
- Chang Won Bending Co., Ltd.API Composite Listlicence 5L-0430Gimhae-si, Gyeongsangnam-do, South Korea
- Chengde Jianlong Special Steel Co., Ltd.API Composite Listlicence 5L-1253Chengde, Hebei, China
- Chung Hung Steel CorporationAPI Composite Listlicence 5L-0169Kaohsiung, Kaohsiung, Taiwan
- Çimtaş Boru İmalatları ve Ticaret Ltd. Şti.API Composite Listlicence 5L-1137Bursa, Turkey
- Conares Metal Supply LimitedAPI Composite Listlicence 5L-1301Dubai, United Arab Emirates
- Corinth Pipeworks S.A.API Composite Listlicence 5L-0396Thisvi, Greece
- Crescent Steel and Allied Products LimitedAPI Composite Listlicence 5L-0166Karachi, Sindh, Pakistan
- Csp De Colombia LtdaAPI Composite Listlicence 5L-0978Malambo, Atlantico, Colombia
- Daiduck Piping Co., Ltd.API Composite Listlicence 5L-0620Gimhae-si, Gyeongsangnam-do, South Korea
- Dalipal Pipe CompanyAPI Composite Listlicence 5L-0630, 5L-1195Cangzhou, Hebei, China
- Daye Special Steel Co., Ltd.API Composite Listlicence 5L-0796Huangshi, Hubei, China
- Deep Oilfield Pipe Manufacturing (Cambodia) Co., Ltd.API Composite Listlicence 5L-1324Prey Nob, Sihanoukville, Cambodia
- Delcorte S.A.SAPI Composite Listlicence 5L-0021Maubeuge, Nord, France
- Dongying Jindao Steel Pipe Co. Ltd.API Composite Listlicence 5L-0837Gudao Town, Hekou District, Dongying, SD, China
- Dura-Bond Pipe, LLCAPI Composite Listlicence 5L-0476Export, PA, United States
- East Pipes Integrated Company for IndustryAPI Composite Listlicence 5L-0523Dammam, Eastern Province, Saudi Arabia
- EEW Malaysia Sdn BhdAPI Composite Listlicence 5L-0775Pasir Gudang, Johor, Malaysia
- EEW Pipe Production Erndtebrueck GmbH & Co. KGAPI Composite Listlicence 5L-0275Erndtebrueck, Nordrhein-Westfalen, Germany
- Eisenbau Krämer GmbHAPI Composite Listlicence 5L-1284Kreuztal-Kredenbach, Nordrhein-Westfalen, Germany
- El Masrya Concord for Contracting and Modern IndustriesAPI Composite Listlicence 5L-1328Egypt
- Energy Industry Co., Ltd.API Composite Listlicence 5L-1323Rayong, Rayong, Thailand
- Erciyas Çelik Boru Sanayi A.Ş.API Composite Listlicence 5L-0370, 5L-0534Kayseri, Kayseri, Turkey
- Esta - Rohr GmbHAPI Composite Listlicence 5L-0860Erndtebrück, Nordrhein-Westfalen, Germany
- Europipe GmbHAPI Composite Listlicence 5L-0232.5Mülheim an der Ruhr, Nordrhein-Westfalen, Germany
- Fabricaciones Industriales Tumex, S.A. de C.V.API Composite Listlicence 5L-1260Ciudad de Mexico, CDMX, Mexico
- Far East Machinery Co., Ltd.API Composite Listlicence 5L-0101Taipei City, Taipei, Taiwan
- Ferrum S.A.API Composite Listlicence 5L-0091Katowice, Silesian Voivodeship, Poland
- Forza SteelAPI Composite Listlicence 5L-0842Salinas Victoria, Nuevo Leon, Mexico
- Group Five Pipe SaudiAPI Composite Listlicence 5L-0425Dammam, Eastern Province, Saudi Arabia
- Haicheng Liaohe Large-Scale Steel Tube Co., Ltd.API Composite Listlicence 5L-1191Haicheng, Liaoning, China
- Hebei Canghai Nuclear Equipment Technology Co., Ltd.API Composite Listlicence 5L-1229Yanshan County, Cangzhou, Hebei, China
- Hebei Focus Piping Co., Ltd.API Composite Listlicence 5L-1280Yanshan County, Hebei, China
- Hebei Huayang Steel Pipe Co., Ltd.API Composite Listlicence 5L-0919Mengcun County, Cangzhou City, Hebei, China
- Hebei Jingye Precision Pipe Manufacturing Co., Ltd.API Composite Listlicence 5L-1237Pingshan County, HE, China
- Hebei Ouloong Steel Tubing Co., Ltd.API Composite Listlicence 5L-1203Mengcun, Hebei, China
- Hefei Ziking Steel Pipe Co., Ltd.API Composite Listlicence 5L-1159Hefei, Anhui, China
- Heilongjiang Jianlong Iron and Steel Co., Ltd.API Composite Listlicence 5L-0733Shuangyashan, Heilongjiang, China
- HengShui JingHua Steel Pipe Co., LtdAPI Composite Listlicence 5L-0497Hengshui, Hebei, China
- Hengyang Valin Steel Tube Co., Ltd.API Composite Listlicence 5L-0377Hengyang, Hunan, China
- Hi-Tech Pipe & Engineering Industries Pvt. Ltd.API Composite Listlicence 5L-1275Kotri, Sindh, Pakistan
- Histeel Co., Ltd.API Composite Listlicence 5L-0754Dangjin, Chungcheongnam-do, South Korea
- HLD Clark Steel Pipe Co., IncAPI Composite Listlicence 5L-0828Clark Freeport Zone, Pampanga, Philippines
- HLDS (B) Steel Sdn BhdAPI Composite Listlicence 5L-1142Salambigar, Brunei-Muara, Brunei
- HSC (Chengdu) Seamless Steel Pipe Co., Ltd.API Composite Listlicence 5L-0671Chengdu, Sichuan, China
- Huffaz Seamless Pipe Industries LimitedAPI Composite Listlicence 5L-1310Pakistan
- Hunan Shengli Xianggang Steel Pipe Co., Ltd.API Composite Listlicence 5L-0993Xiangtan, Hunan, China
- HUSTEEL Co., Ltd.API Composite Listlicence 5L-0325, 5L-0325.1, 5L-1320Seoul, South Korea
- Huta Labedy S.A.API Composite Listlicence 5L-1245Gliwice, Silesian Voivodeship, Poland
- Hyundai RB Co., Ltd.API Composite Listlicence 5L-0427Busan, Gijang-gun, South Korea
- Hyundai Steel Pipe Co., Ltd.API Composite Listlicence 5L-0026, 5L-1175Pohang, Gyeongsangbuk-do, South Korea
- ILJIN Steel CorporationAPI Composite Listlicence 5L-0894Anyang, Gyeonggi-do, South Korea
- Industrial Procarsa, S.A. de C.V.API Composite Listlicence 5L-0241Ciudad Frontera, Mexico
- Industrias Unicon C.A.API Composite Listlicence 5L-0057Caracas, Distrito Capital, Venezuela
- Inner Mongolia Baotou Steel Pipe Co., LtdAPI Composite Listlicence 5L-1252Baotou, Inner Mongolia, China
- Inner Mongolia Baotou Steel Special Steel Pipe Co., LtdAPI Composite Listlicence 5L-1248Baotou, Inner Mongolia, China
- Inner Mongolia Juncheng Xingye Pipeline Co., Ltd.API Composite Listlicence 5L-1017Baotou, Inner Mongolia, China
- International Drilling Material Manufacturing Company (IDM)API Composite Listlicence 5L-1244Egypt
- International Industries LimitedAPI Composite Listlicence 5L-0391, 5L-1104Karachi, Sindh, Pakistan
- International Pipe Industry Co. (IPIC)API Composite Listlicence 5L-0454Cairo, Cairo, Egypt
- Interpipe Niko TubeAPI Composite Listlicence 5L-0289, 5L-0409Nikopol, Dnipropetrovsk, Ukraine
- Interpro Pipe & Steel Inc.API Composite Listlicence 5L-1332, 5L-1333, 5L-1334Calgary, AB, Canada
- JFE Steel CorporationAPI Composite Listlicence 5L-0013, 5L-0052.1, 5L-0052.2Tokyo, Tokyo, Japan
- Jiangsu Changbao Precision Steel Tube Co., Ltd.API Composite Listlicence 5L-0697Changzhou, Jiangsu, China
- Jiangsu Changbao Steel Tube Limited CoAPI Composite Listlicence 5L-0392Changzhou, Jiangsu, China
- Jiangsu Chengde Steel Tube Share Co., Ltd. / Sanjiang FacilityAPI Composite Listlicence 5L-1221Yangzhou, Jiangsu, China
- Jiangsu JieDa Specific New Material Co., Ltd.API Composite Listlicence 5L-1205Changzhou, Jiangsu, China
- Jiangsu TianHuai Pipe Co. LtdAPI Composite Listlicence 5L-0998Huai'an, JS, China
- Jiangsu Tongyu Steel Pipe Group Co., Ltd.API Composite Listlicence 5L-0372Yangzhou, Jiangsu, China
- Jiangsu Xinchangjiang Seamless Steel Tube Manufacturing Co., Ltd.API Composite Listlicence 5L-1184Jiangyin, JS, China
- Jiangsu Yulong Steel Pipe Technology Co., Ltd.API Composite Listlicence 5L-0450Wuxi, Jiangsu, China
- Jiangyin China Resources Steelmaking Co., Ltd.API Composite Listlicence 5L-0997Jiangyin, Jiangsu, China
- Jinan Mech Piping Technology Co., Ltd.API Composite Listlicence 5L-1089Pingyin, Shandong, China
- Jindal (India) LimitedAPI Composite Listlicence 5L-0713Howrah, India
- Jindal Industries Private LimitedAPI Composite Listlicence 5L-1163Hisar, India
- Jindal Pipe USA, Inc.API Composite Listlicence 5L-1232Baytown, TX, United States
- Jindal Pipes LimitedAPI Composite Listlicence 5L-0135Gurugram, India
- Jindal SAW LimitedAPI Composite Listlicence 5L-0390, 5L-0461, 5L-0483New Delhi, India
- Jindal SAW Limited - BellaryAPI Composite Listlicence 5L-0744Bellary, India
- Jindal SAW Limited - Kosi KalanAPI Composite Listlicence 5L-0005Kosi Kalan, India
- Jindal Tubular USA, LLCAPI Composite Listlicence 5L-1057Bay St. Louis, MS, United States
- Jingjiang Special Steel Co., Ltd.API Composite Listlicence 5L-1166Jingjiang, Jiangsu, China
- JSW Steel USA IncAPI Composite Listlicence 5L-0249Baytown, TX, United States
- Jubail Energy Services Company (JESCO)API Composite Listlicence 5L-0724Jubail, Eastern Province, Saudi Arabia
- Julong Steel Pipe Co., Ltd.API Composite Listlicence 5L-0431Qing County, Hebei, China
- Juyi Steelpipe Co., Ltd.API Composite Listlicence 5L-0657Sihui, GD, China
- Kaltek Machinery & Trading Ltd. Co.API Composite Listlicence 5L-0909Antakya, Hatay, Turkey
- Kao Hsing Chang Iron & Steel CorporationAPI Composite Listlicence 5L-0031.1Kaohsiung, Kaohsiung, Taiwan
- KBI Dong Yang Steel Pipe Co., Ltd.API Composite Listlicence 5L-0201, 5L-0389Cheonan-si, Chungcheongnam-do, South Korea
- Kirloskar Ferrous Industries LimitedAPI Composite Listlicence 5L-1314, 5L-1315Bellary, India
- KSP Steel LLPAPI Composite Listlicence 5L-0706Pavlodar, Pavlodar Region, Kazakhstan
- Kum Kang Kind Co., Ltd.API Composite Listlicence 5L-0864Gwacheon, Gyeonggi-do, South Korea
- Kumsoo Connecting Co., Ltd.API Composite Listlicence 5L-1080Busan, Busan, South Korea
- Lalit Pipes and Pipes Private LimitedAPI Composite Listlicence 5L-0353Navi Mumbai, India
- Lamina Y Placa Comercial S.A. De C.V.API Composite Listlicence 5L-0284Monterrey, Nuevo Leon, Mexico
- Lamina Y Placa Comercial S.A. De C.V. TH Plant PesqueriaAPI Composite Listlicence 5L-0831Pesqueria, Nuevo Leon, Mexico
- Liaoning Mingyang Pipe Industry Co., Ltd.API Composite Listlicence 5L-1187Yingkou, LN, China
- Liberty Pipes (Hartlepool) Ltd.API Composite Listlicence 5L-1147Hartlepool, County Durham, United Kingdom
- Liberty Tubular Products Galati S.A.API Composite Listlicence 5L-0234Galati, Galati County, Romania
- Lincoln Manufacturing, Inc.API Composite Listlicence 5L-1268Magnolia, TX, United States
- Linda Tube Manufacturing & Metal ProcessingAPI Composite Listlicence 5L-1303Cairo, Cairo Governorate, Egypt
- Linzhou Fengbao Pipe Industry Co., Ltd.API Composite Listlicence 5L-0699Linzhou, Henan, China
- M. Royo S.A.C.I.I.F. y F.API Composite Listlicence 5L-0172Buenos Aires, CABA, Argentina
- Majid Mozan for General Trading & Pipe ManufacturingAPI Composite Listlicence 5L-1287Basra, Basra, Iraq
- Mannesmann Grossrohr GmbHAPI Composite Listlicence 5L-0257Salzgitter, Lower Saxony, Germany
- Mannesmann Line Pipe GmbHAPI Composite Listlicence 5L-0035, 5L-0256Siegen, North Rhine-Westphalia, Germany
- Maruichi Sun Steel Joint Stock CompanyAPI Composite Listlicence 5L-0872Di An, Binh Duong Province, Vietnam
- Mega Pipes Private LimitedAPI Composite Listlicence 5L-1226Mumbai, Maharashtra, India
- Metal Pipes Industries Mill CompanyAPI Composite Listlicence 5L-1242Al-Jahra, Kuwait
- Michigan Seamless Tube LLCAPI Composite Listlicence 5L-1131South Lyon, MI, United States
- Mukat Tanks & Vessels Pvt. Ltd.API Composite Listlicence 5L-0351Boisar, India
- Nanjing Julong Steel Pipe Co., Ltd.API Composite Listlicence 5L-0773Nanjing, Jiangsu, China
- National Pipe Co., Ltd.API Composite Listlicence 5L-0140Al Khobar, Eastern Province, Saudi Arabia
- Nexteel Co., Ltd.API Composite Listlicence 5L-0554, 5L-1282Pohang-si, Gyeongsangbuk-do, South Koreavalid to 2026-12-23
- NEXTEEL Co., Ltd. Pohang #2 FactoryAPI Composite Listlicence 5L-1068Pohang-si, Gyeongsangbuk-do, South Korea
- NEXTEEL Saha LLCAPI Composite Listlicence 5L-1307Crosby, TX, United States
- Ningbo Sanding Steel Pipe Engineering Co., Ltd.API Composite Listlicence 5L-0379Ningbo, Zhejiang, China
- Nippon Steel Corporation - Kansai Works (Wakayama Area - Kainan)API Composite Listlicence 5L-0042.4Kainan, Wakayama, Japan
- Nippon Steel Corporation - Kansai Works (Wakayama Area - Wakayama)API Composite Listlicence 5L-0042.2Wakayama, Wakayama, Japan
- Nippon Steel Corporation - Yamaguchi WorksAPI Composite Listlicence 5L-0122.2Hikari, Yamaguchi, Japan
- Noksel Espana S.A.API Composite Listlicence 5L-0914Madrid, Madrid, Spain
- Osaka Tokushu Kokan Mfg. Co., Ltd.API Composite Listlicence 5L-0128.1Nishiyodogawa-ku, Osaka, Osaka, Japan
- P.T. Bakrie Pipe IndustriesAPI Composite Listlicence 5L-0040Jakarta, DKI Jakarta, Indonesia
- P.T. Citra Tubindo, Tbk.API Composite Listlicence 5L-0896Batam, Kepulauan Riau, Indonesia
- P.T. South East Asia Pipe IndustriesAPI Composite Listlicence 5L-0374Bakauheni, Lampung, Indonesia
- P.T. Steel Pipe Industry of Indonesia (SPINDO) Unit IIIAPI Composite Listlicence 5L-1143Surabaya, East Java, Indonesia
- Pangang Group Chengdu Steel & Vanadium Co., Ltd.API Composite Listlicence 5L-1267Chengdu, Sichuan, China
- Petrovietnam Steel Pipe Joint Stock CompanyAPI Composite Listlicence 5L-0911Dong Thap, Dong Thap Province, Vietnam
- Piping Technology Industry (Thailand) Co., Ltd.API Composite Listlicence 5L-1316Rayong, Rayong, Thailand
- PT Krakatau Pipe IndustriesAPI Composite Listlicence 5L-0203.1Cilegon, Banten, Indonesia
- PT. Artas Energi PetrogasAPI Composite Listlicence 5L-1222Cilegon, Banten, Indonesia
- PT. CT Advance TechnologyAPI Composite Listlicence 5L-1180Cilegon, Banten, Indonesia
- PT. Dwi Sumber Arca WajaAPI Composite Listlicence 5L-0360Batam, Riau Islands, Indonesia
- PT. Indal Steel PipeAPI Composite Listlicence 5L-1056Gresik, East Java, Indonesia
- PT. Precision Pipe IndonesiaAPI Composite Listlicence 5L-1325Batam, Kepulauan Riau, Indonesia
- PT. Rainbow Tubulars ManufactureAPI Composite Listlicence 5L-1108Indonesia
- PT. Steel Pipe Industry of Indonesia TbkAPI Composite Listlicence 5L-0313, 5L-1276Surabaya, East Java, Indonesia
- PTC Liberty Tubulars LLCAPI Composite Listlicence 5L-1223Wexford, PA, United States
- Pusan Coupling CorporationAPI Composite Listlicence 5L-1262Busan, South Korea
- Pytco S. de R.L. de C.V.API Composite Listlicence 5L-0449Frontera, Coahuila, Mexico
- Qian'an Zhengda General Steel Pipe Co., Ltd.API Composite Listlicence 5L-1136Qian'an, HE, China
- Ratnamani Metals & Tubes Ltd.API Composite Listlicence 5L-0355, 5L-0510Ahmedabad, Gujarat, India
- Rustavi Steel LLCAPI Composite Listlicence 5L-0695Rustavi, Georgia
- S.C.C. Pipes Nigeria LimitedAPI Composite Listlicence 5L-0493Abuja, Federal Capital Territory, Nigeria
- Sanken Metais Ltda.API Composite Listlicence 5L-1209Mairiporã, SP, Brazil
- SeAH Steel Corp.API Composite Listlicence 5L-0318Pohang, Gyeongsangbuk-do, South Korea
- SeAH Steel UAE LLCAPI Composite Listlicence 5L-0865Ras Al Khaimah, United Arab Emirates
- SeAH Steel USA LLCAPI Composite Listlicence 5L-1125Houston, TX, United States
- SeAH Steel Vina CorporationAPI Composite Listlicence 5L-0764Bien Hoa, Dong Nai, Vietnam
- Shahe Jinhai Steel Co., Ltd.API Composite Listlicence 5L-1296Shahe, Hebei, China
- Shandong Donghong Pipe Industry Co., Ltd.API Composite Listlicence 5L-1224Qufu, Shandong, China
- Shandong Molong Petroleum Machinery Co., Ltd.API Composite Listlicence 5L-0592, 5L-0961Shouguang, China
- Shandong PanJin Steel Pipe Manufacturing Co., Ltd.API Composite Listlicence 5L-1285Shouguang, Shandong, China
- Shandong Qilong Offshore Petroleum Steel Pipe Co., LtdAPI Composite Listlicence 5L-0715Dongying, Shandong, China
- Shandong Shouguang Juneng Special Steel Co., Ltd.API Composite Listlicence 5L-0751Shouguang, SD, China
- Shandong Yuwang Tube Industry Co., Ltd.API Composite Listlicence 5L-1272Zouping, Shandong, China
- Shanghai Jiafang Steel Pipe Group (Taicang) Co., Ltd.API Composite Listlicence 5L-0513Taicang, Jiangsu, China
- Sharjah Steel Pipe Manufacturing Co. LLCAPI Composite Listlicence 5L-0347Sharjah, Sharjah, United Arab Emirates
- Shin Yang Steel Co., Ltd.API Composite Listlicence 5L-0507Kaohsiung City, Taiwan
- Sichuan Jinglei Science and Technology Co., Ltd.API Composite Listlicence 5L-1117Yibin, Sichuan, China
- Steel Authority of India LimitedAPI Composite Listlicence 5L-0068New Delhi, Delhi, India
- Surindra Engineering Company Private LimitedAPI Composite Listlicence 5L-0073Mumbai, Maharashtra, India
- Surya Roshni LimitedAPI Composite Listlicence 5L-0222, 5L-0794New Delhi, Delhi, India
- Talleres Acero Rey, S.A. De C.V.API Composite Listlicence 5L-0219Monterrey, Nuevo Leon, Mexico
- Tangshan Jinghua Steel Pipe Co., LtdAPI Composite Listlicence 5L-1103Tangshan, HE, China
- Tata Steel UK Ltd.API Composite Listlicence 5L-0196.2Hartlepool, County Durham, United Kingdom
- Tension Steel Industries Co., Ltd.API Composite Listlicence 5L-1051Taipei City, Taiwan
- Ternium Mexico S.A. de C.V.API Composite Listlicence 5L-0024Monterrey, Nuevo Leon, Mexico
- Tex-Isle, Inc.API Composite Listlicence 5L-1236Houston, TX, United States
- Tex-Tube CompanyAPI Composite Listlicence 5L-0292, 5L-1161Houston, TX, United States
- Texas Pipe Works, Inc.API Composite Listlicence 5L-0312Longview, TX, United States
- THL Tube & Pipe Industries LLCAPI Composite Listlicence 5L-0902Dubai, Dubai, United Arab Emirates
- Tianchang City Kanghong Oil Pipe Co., Ltd.API Composite Listlicence 5L-1059Tianchang, Anhui, China
- Tianjin City Baolai Industrial and Trade Co., Ltd.API Composite Listlicence 5L-0552Tianjin, TJ, China
- Tianjin Dehua Petroleum Equipment Manufacturing Co., Ltd.API Composite Listlicence 5L-0947Tianjin, Tianjin, China
- Tianjin Huilitong Steel Tube Co., Ltd.API Composite Listlicence 5L-0654Jinghai District, Tianjin, China
- Tianjin Pengzhan Steel Pipes Co., Ltd.API Composite Listlicence 5L-0652Tianjin, TJ, China
- Tianjin Pipe CorporationAPI Composite Listlicence 5L-1199Tianjin, Tianjin, China
- Tianjin Xinyue Industrial and Trade Co., Ltd.API Composite Listlicence 5L-1286Jinghai, TJ, China
- Tianjin Youfa Pipeline Technology Co., Ltd.API Composite Listlicence 5L-0556Tianjin, TJ, China
- Tianjin Yuantai Yuanda Pipeline Technology Co., Ltd.API Composite Listlicence 5L-1330Tianjin, Jinghai District, China
- Toscelik Profil ve Sac Endustrisi A.S.API Composite Listlicence 5L-0945Istanbul, Istanbul, Turkey
- TSP Precision Steel Tube Manufacturing (Thailand) Co., LtdAPI Composite Listlicence 5L-1158Rayong, Rayong, Thailand
- TUBACERO, S. de R.L. de C.V.API Composite Listlicence 5L-0653Monterrey, Nuevo Leon, Mexico
- Tuberia Laguna, S.A. de C.V.API Composite Listlicence 5L-0003Gomez Palacio, Durango, Mexico
- Tubexa Industrial Limitada.API Composite Listlicence 5L-0839Santiago, Región Metropolitana, Chile
- Tubhier S.A.API Composite Listlicence 5L-0233Villa Mercedes, San Luis, Argentinavalid to 2025-07-31
- Tubo Steel Industry Sdn. Bhd.API Composite Listlicence 5L-1305Klang, Selangor, Malaysia
- Tubos Reunidos Group, S.L.U.API Composite Listlicence 5L-0011, 5L-0260Bilbao, Vizcaya, Spain
- Tubular Products De Mexico S De Rl De CvAPI Composite Listlicence 5L-1300Tamaulipas, Mexico
- United Drilling Tools LimitedAPI Composite Listlicence 5L-0424Noida, Uttar Pradesh, India
- Universal Tube & Plastic Industries LtdAPI Composite Listlicence 5L-1087Dubai, Dubai, United Arab Emirates
- Vallourec Saudi ArabiaAPI Composite Listlicence 5L-1086Dammam, Saudi Arabia
- Vallourec Soluções Tubulares do Brasil S.A. (VSB)API Composite Listlicence 5L-0150.4Belo Horizonte, MG, Brazil
- Vallourec Soluções Tubulares Do Brasil S.A. (VSB) - Jeceaba SiteAPI Composite Listlicence 5L-0867Jeceaba, Minas Gerais, Brazil
- Vallourec StarAPI Composite Listlicence 5L-0016, 5L-0016.1, 5L-0328Houston, TX, United States
- Vallourec Tubes France - Etablissement d'Aulnoye AymeriesAPI Composite Listlicence 5L-0061.3Aulnoye-Aymeries, Nord, France
- Vimsa Boru Sanayi ve Ticaret Anonim ŞirketiAPI Composite Listlicence 5L-1281Şanlıurfa, Turkey
- voestalpine Tubulars GmbH & Co KGAPI Composite Listlicence 5L-0033Kindberg, Styria, Austria
- Wan Chi Steel Industrial Co., Ltd.API Composite Listlicence 5L-0218Yen Chau, Taiwan
- WANCHI Steel Pipe (Qinhuangdao) Co., Ltd.API Composite Listlicence 5L-0465Qinhuangdao, Hebei, China
- Wasco Pipe Sabah Sdn. Bhd.API Composite Listlicence 5L-0731Kota Kinabalu, Sabah, Malaysia
- Weifang East Pipe Industry Technical Co., Ltd.API Composite Listlicence 5L-1273Weifang, SD, China
- Weifang WeiErDa Petroleum Machinery Co., Ltd.API Composite Listlicence 5L-0672Anqiu, SD, China
- Welspun Corp Ltd.API Composite Listlicence 5L-0478, 5L-1217Mumbai, Maharashtra, India
- Welspun Tubular LLCAPI Composite Listlicence 5L-0953Little Rock, AR, United States
- Welspun Tubular LLC USAAPI Composite Listlicence 5L-0687Little Rock, AR, United States
- Weltech Co., Ltd.API Composite Listlicence 5L-1106Hoengseong-gun, Gangwon-do, South Korea
- WUXI BEILAI TUBE CO., LTDAPI Composite Listlicence 5L-0564Wuxi, JS, China
- Wuxi Fastube Dingyuan Precision Steel Pipe Co., LtdAPI Composite Listlicence 5L-0543Wuxi, JS, China
- Wyman-Gordon Forgings, Inc.API Composite Listlicence 5L-0847Houston, TX, United States
- XUZHOU E&P PETROLEUM EQUIPMENT CO., LTD.API Composite Listlicence 5L-1283Xuzhou, Jiangsu, China
- Yangzhou Chengde Steel Pipe Co., Ltd.API Composite Listlicence 5L-0621Yangzhou, JS, China
- Yangzhou Lontrin Energy Equipment Co., Ltd.API Composite Listlicence 5L-0506Yangzhou, JS, China
- Yichang Zhongnan Precision Steel Tube Co., Ltd.API Composite Listlicence 5L-1289Yichang, Hubei, China
- Zekelman Industries (Wheatland Tube)API Composite Listlicence 5L-0080, 5L-0588Chicago, IL, United States
- Zeleziarne Podbrezova a.s.API Composite Listlicence 5L-0273Podbrezova, Slovak Republic
- Zhangjiagang ShaSteel & Kingland Pipeline Co., Ltd.API Composite Listlicence 5L-0809Zhangjiagang, Jiangsu, China
- Zhejiang Minghe Steel Pipe Co., Ltd.API Composite Listlicence 5L-0707Deqing County, Zhejiang, China
- Zhongyou Baoshishun (Qinhuangdao) Pipe Co., Ltd.API Composite Listlicence 5L-0472, 5L-1213Qinhuangdao, Hebei, China
- Aasia Steel Factory Company LimitedClaimed by vendorJubail Industrial City, Eastern Province, Saudi Arabia
- Alchemia S.A.Claimed by vendorChorzow, Silesian Voivodeship, Poland
- Ambassador Pipe & Supply, Inc.Claimed by vendorBillings, MO, United States
- Anhui Tianyu Petroleum Equipment Manufacturing Co., Ltd.Claimed by vendorChina, China
- Armetal Stainless Pipe Co. LtdClaimed by vendorRiyadh, Riyadh, Saudi Arabia
- B&W Pipe, Inc.Claimed by vendorHouston, Texas, United States
- Berg Steel Pipe Corp.Claimed by vendorPanama City, Florida, United States
- BlueLine Manufacturing LLCClaimed by vendorScott, Louisiana, United States
- Borusan MannesmannClaimed by vendorBaytown, Texas, United States
- BSL Pipes & Fittings SASClaimed by vendorFrance
- BTL - Indústria e Comércio de Aço LtdaClaimed by vendorCapivari, SP, Brazil
- California Steel IndustriesClaimed by vendorFontana, California, United States
- Cangzhou Longtaidi Pipe Technology Co., Ltd.Claimed by vendorCangzhou, Hebei, China
- Cladtek Arabia Co. Ltd.Claimed by vendorDhahran, Eastern Province, Saudi Arabia
- Cladtek do Brasil Indústria e Comércio de Tubos e Revestimentos LtdaClaimed by vendorRio de Janeiro, RJ, Brazil
- Commercial Steel Products, LLCClaimed by vendorDallas, United States
- DCLADClaimed by vendorDoha, Qatar
- Dillinger (AG der Dillinger Huttenwerke)Claimed by vendorDillingen/Saar, Saarland, Germany
- DMV Deutschland GmbHClaimed by vendorMuelheim an der Ruhr, North Rhine-Westphalia, Germany
- DMV France SASClaimed by vendorMontbard, Bourgogne, France
- EBSE - Engenharia de Soluções S.A.Claimed by vendorRio de Janeiro, RJ, Brazil
- Eckel ManufacturingClaimed by vendorOdessa, TX, United States
- EPE ALFAPIPE SPAClaimed by vendorAlgiers, Algiers, Algeria
- FET Global Tubing ParkClaimed by vendorDayton, TX, United States
- FTV ProcladClaimed by vendorDubai, Dubai, United Arab Emirates
- Global Tubing LLCClaimed by vendorDayton, TX, United States
- H.BUTTING GmbH & Co. KGClaimed by vendorKnesebeck, Lower Saxony, Germany
- Hebei Haihao High Pressure Flange & Pipe Fitting Group Co., Ltd.Claimed by vendorMengcun County, Hebei, China
- Hyundai Steel Co., Ltd.Claimed by vendorSeoul, Seoul, South Korea
- Inoxium Tubi Pipes Industry LLCClaimed by vendorUmm Al Quwain, Umm Al Quwain, United Arab Emirates
- InterPro Pipe + Steel Inc.Claimed by vendorCalgary, AB, Canada
- Jamal Pipe Industries (Pvt) Ltd.Claimed by vendorLahore, Punjab, Pakistan
- JSW Steel LimitedClaimed by vendorMumbai, Maharashtra, India
- Korea EHT Co., Ltd.Claimed by vendorSeoul, Geumcheon-gu, South Korea
- Liberty Tubular Products Galati SRLClaimed by vendorGalati, Galati, Romania
- Lukang Branch of Pipe & Tube Department, Chung Hung Steel CorporationClaimed by vendorLukang Township, Changhua County, Taiwan
- Maruichi Leavitt Pipe & Tube, LLCClaimed by vendorChicago, IL, United States
- OMS Oilfield Services Pte LtdClaimed by vendorJurong, Singapore, Singapore
- Roc-Master Piping Solutions Ltd.Claimed by vendorShanghai, Shanghai, China
- Stewart Tubular Products, LLCClaimed by vendorHouston, TX, United States
- STS Clad LLCClaimed by vendorRas Al Khaimah, United Arab Emirates
- Texas Couplings, L.P.Claimed by vendorSpring, TX, United States
- TPS-Technitube Roehrenwerke GmbHClaimed by vendorDaun, RP, Germany
- TSINGSHAN STEEL PIPE CO., LTD.Claimed by vendorWenzhou, Zhejiang, China
- Tuper S.A.Claimed by vendorSão Bento do Sul, SC, Brazil
- Tuper S/AClaimed by vendorSao Bento do Sul, SC, Brazil
- U. S. Steel Oilwell ServicesClaimed by vendorHouston, TX, United States
- U. S. Steel Tubular ProductsClaimed by vendorPittsburgh, PA, United States
- Universal Tube & Plastic Industries Ltd (UTP Group)Claimed by vendorDubai, United Arab Emirates
- VallourecClaimed by vendorMeudon, Ile-de-France, France
- Vallourec Solucoes Tubulares do Brasil SA (VSB)Claimed by vendorBelo Horizonte, MG, Brazil
- Vilmar S.A.Claimed by vendorRamnicu-Valcea, Valcea, Romania
- Zhejiang Dewei Stainless Steel Piping Co., LtdClaimed by vendorJiaxing, Zhejiang, China
“API Composite List” means the company holds an active licence for this specification on the American Petroleum Institute’s public Composite List; “claimed by vendor” means the company lists it and the list does not confirm it. Certificate files are available to signed-in members. Claim your listing to keep yours current.