| AmTex | 4517 Brittmoore Houston,TX 77041 | Texas | |
| Apollo Machine and Welding Ltd | 7607 39TH ST. Leduc Alberta, Canada T9E 0B3 | - | |
| Argus Machine Co. Ltd | 8875 King St. Anchorage, AK 99515 | - | |
| Argus Machine CO. Ltd | 2327 5th St Nisku,Alberta Canada T9E 8H7 | - | |
| Custom Threading | 5835 Cheswood | Texas | |
| Frontier Tubular Solutions | 4725 N. BoulevardEdmond, OK 73025 | - | |
| Hunting Energy Services Houma | 205 E. Woodlawn RanchHouma,LA 70363 | Louisiana | |
| Inspection Oilfield Services | 6266 FM 1470Leming, TX. 78050 | - | |
| J.Hobbs Machine Corp. | 3807 S.C.R. 1297Odessa,TX. 79765 | Texas | |
| K&B Industries | 208 Rebecca's Pond Dr, Schriever, LA 70395 | - | |
| K&B Industries | 8500 Miller Rd #2 Houston, TX 77049 | - | |
| Lincoln Magnolia | 31209 FM 2978 Magnolia,TX 77354 | - | |
| Lincoln Manufacturing Coupling Ohio | 310 Railroad Avenue Ext. Strasburg Ohio 44680 | - | |
| Lincoln Manufacturing Pipe Ohio | 310 Railroad Ave, Ext. Strasburg, Ohio 44680 | - | |
| Lincoln Polk St | 5301 Polk St Houston, TX 77023 | - | |
| Nippon Steel Corp. | 1850 MinatoWakayama CityWakayama, 640-8555Japan | - | |
| Northern Solutions dba Unique Machine | 8875 King St. Anchorage, AK 99515 | Alaska | |
| Northern Solutions Prudhoe Bay | 2 Spine Rd. #27Prudhoe Bay, AK 99734 | Alaska | |
| NOV Tuboscope | 9015 Sheldon Road, Houston, TX 77049 | - | |
| Oil Country Tubular Ltd. | ‘KAMINENI’ 3rd Floor, King KotiHYDERABAD - 500 001INDIA | - | |
| OMS Malaysia | OMS Oilfield Services Sdn Bhd (Plant 1)Ranca-Ranca Industrial EstateP. O. Box 8082387018 LabuanMalaysia | - | |
| P.T Citra Tubindo Tbk. | Jl. Hang Kesturi Km. 4 Kabil Industrial EstateBatam 29435 - Indonesia | - | |
| PT OMS Oilfield Services Jakarta | KP Tegal RT 023 RW 007No#. 37 Desa Kembang Kuning KlapanunggalBogor, West Java, Indonesia 16820 | - | |
| Savage Services | 14872 42nd St. NW, Williston ND 58801 | North Dakota | |
| Spector Pipe Services Ltd. | #41 61027 HWY 672 T0H3C0 Sexsmith Alberta Canada | - | |
| Superior Threaded Products Inc. | 9405 E. Sam Houston PkwyHouston,TX 77044 | - | |
| Texas Pipe Works Inc. | 9444 Industrial Dr.Navasota,TX 77868 | - | |
| Tube-Alloy Richey | 1050 East Richey RD. Houston Texas 77073 | Texas | |
| Universal Tubular | #10 ST. Anne's Crescent Paradise, NF Canada A1L 1K1 | - | |
| VALLOUREC CHINA | 18 XINIMIN ROAD EASTNEW DISTRICTCHANGZHOU, CHINA | - | |
| Vallourec Oil & Gas Mexico SA de CV | Av. Framboyanes Lote 6 Manzana 5 Veracruz,Mexico | - | |
| Vallourec Soluções Tubulares do Brasil | Avenida Olinto MeirelesBarreiro 30640-010Belo Horizonte MG | - | |
| Vallourec Soluções Tubulares do Brasil | Vallourec Soluções Tubulares do BrasilJeceaba UnitDistrito Industrial s/n35498-000 Jeceaba - MG | - | |
| Vallourec Star | 8603 Sheldon Rd Houston, TX 77049 | - | |
| Vallourec Star-Youngstown | 2669 Martin Luther King Jr Blvd | - | |
| Vallourec TCA | 3800 Port Place Muskogee,OK 74403 | - | |
| Vallourec Tianda | No.189 Middle Ziwei Rd Chuzhou, Anhui Province, 23900P.R. China | - | |
| Vallourec Tube-Alloy LLC | 1910 Grand Caillou Houma, LA 70363 | - | |
| Vallourec Tube-Alloy LLC | 9100 Emmott Rd.Houston, TX 77040 | - | |
| Vallourec Tubular Solutions LTDA | Rua do Sondador 2K, qd. K, lt. 1 3 4, Rio das Ostras, RJ | - | |
| VAM USA L.L.C | 19210 E. Hardy Rd Houston, TX 77073 | - | |
| VAM USA OHIO | 1053 Ohio Works Dr.Youngstown, OH 44510 | - | |
| Weatherford Colombia | Calle 99 #10-19 Piso 3Bogota, Colombia | - | |