American Petroleum Institute
API 4F
Specification for Drilling and Well Servicing Structures
105 companies listed on Oilfield Index hold API 4F (Specification for Drilling and Well Servicing Structures), issued by the American Petroleum Institute.
Categories these companies serve
Manufacturing & Fabrication 62Drilling Rigs 56Drilling 48Offshore Rig Equipment — Unspecified 41Drilling Equipment — Unspecified 38Custom Fabrication 29Mud Pumps — Unspecified 25Wellhead Equipment — Unspecified 22Wireline Equipment — Unspecified 20Blowout Preventers — Unspecified 20Structural Steel Fabrication 19Pressure Vessels 16
Certified companies 105
- Al Hajiry Oil & Gas Company L.L.CAPI Composite Listlicence 4F-0284Nizwa, Ad Dakhiliyah, Oman
- Al Nawras Steel Co LLCAPI Composite Listlicence 4F-0420Sharjah, Sharjah, United Arab Emirates
- American Block Manufacturing Co.API Composite Listlicence 4F-0384Houston, Texas, United States
- Arabian Rig ManufacturingAPI Composite Listlicence 4F-0497Ras Al Khair, Eastern Province, Saudi Arabia
- Bentec GmbH Drilling & Oilfield SystemsAPI Composite Listlicence 4F-0044Bad Bentheim, Lower Saxony, Germany
- Bharat Heavy Electricals LimitedAPI Composite Listlicence 4F-0452New Delhi, Delhi, India
- Bridges Equipment, Ltd.API Composite Listlicence 4F-0417Odessa, TX, United States
- Care Industries Ltd.API Composite Listlicence 4F-0108Lacombe County, AB, Canada
- Changzhou Beichen Machinery Co., Ltd.API Composite Listlicence 4F-0511Changzhou, China
- China Petroleum Liaohe Equipment CompanyAPI Composite Listlicence 4F-0320Panjin, China
- Columbia Industries, LLCAPI Composite Listlicence 4F-0304Starkville, MS, United States
- Derrick Services (UK) LimitedAPI Composite Listlicence 4F-0106Great Yarmouth, Norfolk, United Kingdom
- Dongying Freet Energy Equipment Co., Ltd.API Composite Listlicence 4F-0510Dongying, China
- Drilling Structures International, Inc.API Composite Listlicence 4F-0069Houston, TX, United States
- Drillmec Inc.API Composite Listlicence 4F-0478Gariga di Podenzano, PC, Italy
- Drillmec India Private LimitedAPI Composite Listlicence 4F-0341Mumbai, India
- Drillmec International Private LimitedAPI Composite Listlicence 4F-0489Hyderabad, India
- Drillmec S.p.A.API Composite Listlicence 4F-0477Gariga di Podenzano, Piacenza, Italy
- Fabtech International LimitedAPI Composite Listlicence 4F-0097Dubai, Dubai, United Arab Emirates
- Ford Steel LLCAPI Composite Listlicence 4F-0372Porter, TX, United States
- Gaoyou Hao Xiang Petroleum Machinery Co., Ltd.API Composite Listlicence 4F-0473Gaoyou, Jiangsu, China
- Gulf Technical FactoryAPI Composite Listlicence 4F-0483Dammam, Eastern Province, Saudi Arabia
- Heavy Equipment Maintenance and Trading Co., LLCAPI Composite Listlicence 4F-0388Muscat, Oman
- Hebei Yongming Geological Project Machinery Co., LtdAPI Composite Listlicence 4F-0382Xingtai, Hebei, China
- Henan ZhongTe Vik Petroleum Machinery Co., Ltd.API Composite Listlicence 4F-0507Puyang, China
- Herrenknecht Vertical GmbHAPI Composite Listlicence 4F-0267Baden-Württemberg, Germany
- Huangshan Huaneng Petrochemical Machinery Co., Ltd.API Composite Listlicence 4F-0482Huangshan, Anhui, China
- Hydco Engineering Private LimitedAPI Composite Listlicence 4F-0506Gujarat, Gujarat, India
- Inter-American-Oil-WorksAPI Composite Listlicence 4F-0399Odessa, TX, United States
- International Drilling Technology LLC (IDTEC)API Composite Listlicence 4F-0176Nizwa, Ad Dakhiliyah, Oman
- Ja-Co Welding & Consulting Ltd.API Composite Listlicence 4F-0114, 4F-0413Nisku, AB, Canada
- Kennedy FabricatingAPI Composite Listlicence 4F-0348Cleveland, TX, United States
- Lamprell Energy LimitedAPI Composite Listlicence 4F-0281Sharjah, Sharjah, United Arab Emirates
- Lanzhou LS Petroleum Equipment Engineering Co., Ltd.API Composite Listlicence 4F-0350Lanzhou, China
- Lee C. Moore, A Woolslayer CompanyAPI Composite Listlicence 4F-0043Catoosa, OK, United States
- Loadmaster IndustriesAPI Composite Listlicence 4F-0028Broussard, LA, United States
- Nanyang Rigpetro Industrial Co., Ltd.API Composite Listlicence 4F-0488Nanyang, China
- Nelsen Technologies Inc.API Composite Listlicence 4F-0494Leduc, AB, Canada
- Obadare Holdco Pty LtdAPI Composite Listlicence 4F-0402Toowoomba, QLD, Australia
- Odyssey Design and Manufacturing, Inc.API Composite Listlicence 4F-0502Brady, TX, United States
- Perbras Empresa Brasileira de Perfurações LTDAAPI Composite Listlicence 4F-0462Catu, BA, Brazil
- Petrotek Sondaj Makine San.Tic.A.S.API Composite Listlicence 4F-0466Turkey
- PT. Petrodrill Manufaktur IndonesiaAPI Composite Listlicence 4F-0279Jakarta Selatan, DKI Jakarta, Indonesia
- Regional Marine & Engineering Services Pte. Ltd.API Composite Listlicence 4F-0512Singapore, Singapore
- RG Petro-Machinery (Group) Co., Ltd.API Composite Listlicence 4F-0052Nanyang, Henan, China
- Rig Works, Inc.API Composite Listlicence 4F-0212Odessa, TX, United States
- S. C. Upet S.A.API Composite Listlicence 4F-0093Targoviste, Dambovita County, Romania
- Sany Energy Equipment Co., Ltd.API Composite Listlicence 4F-0407Changsha, China
- Service King Manufacturing, Inc.API Composite Listlicence 4F-0311Stroud, OK, United States
- Shandong Highland Oil and Gas Equipment Co., Ltd.API Composite Listlicence 4F-0112Dongying, China
- Shandong Kerui Petroleum & Gas Equipment Co., Ltd.API Composite Listlicence 4F-0148Dongying, Shandong, China
- Shandong Santian Linqu Petroleum Machinery Co., Ltd.API Composite Listlicence 4F-0209Linqu County, Shandong, China
- Shanghai HABO Offshore Engineering Co., Ltd.API Composite Listlicence 4F-0503Shanghai, China
- Shengli Oilfield Lifeng Petroleum Equipment Manufacturing Co. LTDAPI Composite Listlicence 4F-0500Dongying, Shandong, China
- Shengli Oilfield Shengji Petroleum Equipment Co., Ltd.API Composite Listlicence 4F-0505Dongying, Shandong, China
- Sichuan Honghua Petroleum Equipment Co., Ltd.API Composite Listlicence 4F-0238Guanghan, China
- Sichuan Zhongman Petroleum Equipment Manufacturing Co., Ltd.API Composite Listlicence 4F-0183Chengdu, Sichuan, China
- SJ Petroleum Machinery Co.API Composite Listlicence 4F-0054Dongying, Shandong, China
- Southeast Texas Industries, Inc.API Composite Listlicence 4F-0084Bridge City, TX, United States
- STREICHER Drilling Technology GmbHAPI Composite Listlicence 4F-0368Deggendorf, Bayern, Germany
- SZ Petroleum Equipment Co., Ltd.API Composite Listlicence 4F-0498Jingzhou, Hubei, China
- Techno Gears Industries LLCAPI Composite Listlicence 4F-0323Muscat, Muscat Governorate, Oman
- The Rig Shop Ltd.API Composite Listlicence 4F-0517Edmonton, AB, Canada
- Thompson Metal Fab, Inc.API Composite Listlicence 4F-0087Vancouver, WA, United States
- Thor Dynamic Engineering S.A.S.API Composite Listlicence 4F-0443Bogota D.C., Bogota D.C., Colombia
- Tianjin DFXK (Dong Fang Xian Ke) Petroleum Machinery Co., Ltd.API Composite Listlicence 4F-0138Tianjin, Tianjin, China
- Tj Petro Machinery (PuYang) Co., Ltd.API Composite Listlicence 4F-0513Puyang, Henan, China
- Tonghua Petro-Chemical Machinery Manufacture Co., Ltd.API Composite Listlicence 4F-0414Tonghua, Jilin, China
- Tri-Service Oilfield Manufacturing Ltd.API Composite Listlicence 4F-0168Edmonton, AB, Canada
- United Caravan Trading and ContractingAPI Composite Listlicence 4F-0490Dammam, Eastern Province, Saudi Arabia
- Watson Hopper Inc.API Composite Listlicence 4F-0160Hobbs, NM, United States
- Western Fabrication Center, LLCAPI Composite Listlicence 4F-0379Kelso, WA, United States
- XCMG Xuzhou Truck-Mounted Crane Co., Ltd.API Composite Listlicence 4F-0508Xuzhou, Jiangsu, China
- Xian Yuxing Petroleum Machinery of New Technology Development Co., Ltd.API Composite Listlicence 4F-0216Xi'an, China
- Xinjiang Karamay Rong Chang Co., Ltd.API Composite Listlicence 4F-0141Karamay, China
- Xuzhou XCMG Foundation Construction Machinery Co., Ltd.API Composite Listlicence 4F-0495Xuzhou, Jiangsu, China
- Zhongman Petroleum Equipment Group Co., Ltd.API Composite Listlicence 4F-0330Shanghai, Shanghai, China
- Zhongyuan Drill & Production Equipment Plant of Zhongyuan P.E. BureauAPI Composite Listlicence 4F-0099Puyang, Henan, China
- Zodreco L.L.C.API Composite Listlicence 4F-0499Liberty, TX, United States
- ZYT Petroleum Equipment Co., Ltd.API Composite Listlicence 4F-0068Puyang, Henan, China
- ZYZJ Petroleum Equipment Co., Ltd.API Composite Listlicence 4F-0089Puyang, Henan, China
- American Jereh International CorporationClaimed by vendorUnited States, United States
- Baoji Jianxin Machinery Equipment Co., Ltd.Claimed by vendorBaoji, Shaanxi, China
- Baoji Oilfield Machinery Co., Ltd. (BOMCO)Claimed by vendorBaoji, Shaanxi, China
- Dragon Products, Ltd.Claimed by vendorBeaumont, TX, United States
- Egyptian Petroleum HH Rig Manufacturing CO. (EPHH)Claimed by vendorAin Sokhna, Suez, Egypt
- Egyptian Petroleum HH Rig Manufacturing S.A.E Co. (EPHH)Claimed by vendorAin Sokhna, Suez, Egypt
- Falcon Rigwerx, LLCClaimed by vendorCashion, OK, United States
- Global Offshore & Marine Pte. Ltd.Claimed by vendorSingapore, Singapore
- KCA Deutag International LimitedClaimed by vendorPortlethen, Aberdeenshire, United Kingdom
- Kerui PetroleumClaimed by vendorDongying, Shandong, China
- Lanzhou Lanshi Group Co., Ltd.Claimed by vendorLanzhou, Gansu, China
- LEWA Middle East FZEClaimed by vendorSharjah, United Arab Emirates
- Megha Engineering & Infrastructures LtdClaimed by vendorHyderabad, India
- OMS Oilfield Services Pte LtdClaimed by vendorJurong, Singapore, Singapore
- Petrotek Sondaj Makine San. ve Tic. A.S.Claimed by vendorAnkara, Cankaya, Turkey
- SANY Colombia SASClaimed by vendorChia, Cundinamarca, Colombia
- Sany Oil Intelligent Equipment Co., LtdClaimed by vendorBeijing, Beijing, China
- Shaanxi Tefico Petroleum Mechanical & Electric New Technology Co., Ltd.Claimed by vendorBaoji, China
- Shandong Kerui Petroleum Equipment Co., Ltd.Claimed by vendorDongying, Shandong, China
- Southeast Texas Industries, Inc. (STI Group)Claimed by vendorBridge City, TX, United States
- Spooltech LLCClaimed by vendorHouston, TX, United States
- UPET S.A.Claimed by vendorTargoviste, Dambovita, Romania
- W-IndustriesClaimed by vendorSpring, TX, United States
- Zhongyuan Drill & Production Equipment Plant of Zhongyuan Petroleum Exploration BureauClaimed by vendorPuyang, Henan, 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.