| UEUpwing Energy - Cerritos HQ | Cerritos | CA | 20–99 | ◐ LIKELY ACTIVE |
| WWatson | Fort Worth | TX | 100–499 | ◐ LIKELY ACTIVE |
| WIWatson-hopper, INC. | Hobbs | NM | 20–99 | ◐ LIKELY ACTIVE |
| AOAntelope Oil Tool & Manufacturing | Mineral Wells | TX | — | ◇ UNVERIFIED |
| BHBaker Hughes, Broken Arrow Facility | Broken Arrow | OK | — | ◇ UNVERIFIED |
| BHBaker Hughes Emmott Road Plant | Houston | TX | — | ◇ UNVERIFIED |
| BHBaker Hughes Oilfield Operations, LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| BHBaker Hughes Rankin Rd Cnt | Houston | TX | — | ◇ UNVERIFIED |
| BLBoardwalk La Midstream LLC - Sulphur Storage Terminal | Sulphur | LA | — | ◇ UNVERIFIED |
| BNBrandt Nov | Conroe | TX | — | ◇ UNVERIFIED |
| COCable Operations | Claremore | OK | — | ◇ UNVERIFIED |
| CICameron International CORP | Patterson | LA | — | ◇ UNVERIFIED |
| DCDerrick CORP | Cheektowaga | NY | — | ◇ UNVERIFIED |
| DWDragon Wespine Facility | Beaumont | TX | — | ◇ UNVERIFIED |
| DIDril-quip INC | Houston | TX | — | ◇ UNVERIFIED |
| ELEndurance Lift Solutions | Big Spring | TX | — | ◇ UNVERIFIED |
| GHGe Hydril | Houston | TX | — | ◇ UNVERIFIED |
| GGeodynamics | Millsap | TX | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services - Conroe | Conroe | TX | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services, INC. | Duncan | OK | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services Jet Research Center | Alvarado | TX | — | ◇ UNVERIFIED |
| HCHarry Cameron Technology Center | Houston | TX | — | ◇ UNVERIFIED |
| IDInnovex Downhole Solutions | Houston | TX | — | ◇ UNVERIFIED |
| LELinde Engineering North America, LLC | Catoosa | OK | — | ◇ UNVERIFIED |
| LRLufkin Rods | Nappanee | IN | — | ◇ UNVERIFIED |
| NONational Oilwell | Houston | TX | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP | Cedar Park | TX | — | ◇ UNVERIFIED |
| NSNorris Sucker Rods / 4801 W 49th St Norris Sucker Rod Faclt | Tulsa | OK | — | ◇ UNVERIFIED |
| NHNov Houston Creekmont Facility | Houston | TX | — | ◇ UNVERIFIED |
| NRNov Reedhycalog | Conroe | TX | — | ◇ UNVERIFIED |
| NRNov Rig Systems Rubber Plant | Houston | TX | — | ◇ UNVERIFIED |
| NRNov Rolligon Anderson | Anderson | TX | — | ◇ UNVERIFIED |
 Oil States Industries, INC. - Mmc | Houston | TX | — | ◇ UNVERIFIED |
| OSOil States Skagit Smatco LLC - Houma Manufacturing Facility | Houma | LA | — | ◇ UNVERIFIED |
| PHParker Hannifin Filtration | Mineral Wells | TX | — | ◇ UNVERIFIED |
 Precision International | Iola | KS | — | ◇ UNVERIFIED |
| RDR2r & D LLC Dba Superod | Big Spring | TX | — | ◇ UNVERIFIED |
| RAReslink a Division of Schlumberger Technology | Houston | TX | — | ◇ UNVERIFIED |
 Smith International INC | Houston | TX | — | ◇ UNVERIFIED |
| SSStewart & Stevenson LLC | Houston | TX | — | ◇ UNVERIFIED |
| SVStone Valley Subdivision | Lampasas | TX | — | ◇ UNVERIFIED |
| TWTd Williamson INC / 6801 S 65th W Ave | Sapulpa | OK | — | ◇ UNVERIFIED |
| TGTechnipfmc Gremp Campus | Houston | TX | — | ◇ UNVERIFIED |
| TPTitan Peq | Alleyton | TX | — | ◇ UNVERIFIED |
| TSTitan Specialties LTD | Pampa | TX | — | ◇ UNVERIFIED |
| UMUe Manufacturing | Oklahoma City | OK | — | ◇ UNVERIFIED |
| VSVarco Shaffer Facility | Houston | TX | — | ◇ UNVERIFIED |
| VPVault Pressure Control Shawnee | Shawnee | OK | — | ◇ UNVERIFIED |
| VGVetco Gray, INC. | Broussard | LA | — | ◇ UNVERIFIED |
| VHVt Halter Marine, Pascagoula Operations | Pascagoula | MS | — | ◇ UNVERIFIED |
