| TMTexoma Millwright and Welding, INC. | Durant | — | ◐ LIKELY ACTIVE |
| AFAdvanced Flow Solutions | Oklahoma City | — | ◐ LIKELY ACTIVE |
| EEExterran Energy Solutions LP | Yukon | — | ◐ LIKELY ACTIVE |
| MMMcelroy Mfg-admiral Facility | Tulsa | — | ◐ LIKELY ACTIVE |
| PCPlatinum Cross Welding | Okemah | — | ◐ LIKELY ACTIVE |
| RIRamsey Ind / Ramsey Industries | Tulsa | — | ◐ LIKELY ACTIVE |
| SSensia | Duncan | — | ◐ LIKELY ACTIVE |
| AEAcme Engineering and Manufacturing CORP / Muskogee Mfg Facility | Muskogee | — | ◇ UNVERIFIED |
| AEAcme Environmental | Tulsa | — | ◇ UNVERIFIED |
| AMAgc Mfg Svc INC / Broken Arrow Test Facility | Broken Arrow | — | ◇ UNVERIFIED |
 A G Equipment Company - Hemlocke Site | Broken Arrow | — | ◇ UNVERIFIED |
| BHBaker Hughes Oilfield Operations INC / Bhi Mcoe | Oklahoma City | — | ◇ UNVERIFIED |
| BMBayliner Marine CORP | Miami | — | ◇ UNVERIFIED |
| CDCactus Drilling Company LLC / Okc Fabrication Yard | Oklahoma City | — | ◇ UNVERIFIED |
| CICameron Intl - Compression / Cameron Compression Systems | Oklahoma City | — | ◇ UNVERIFIED |
| CTCentrilift Tulsa | Tulsa | — | ◇ UNVERIFIED |
| DLD & L Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| ETEquipment Technology, L.l.c. | Oklahoma City | — | ◇ UNVERIFIED |
| EEExterran Engry Solutions LP | Broken Arrow | — | ◇ UNVERIFIED |
| FFForum Flow Equipment Mfg | Davis | — | ◇ UNVERIFIED |
| GDGardner Denver INC. | Tulsa | — | ◇ UNVERIFIED |
| GIGefco Inc/enid Fabrication Fac | Enid | — | ◇ UNVERIFIED |
| GCGovernair CORP / 4841 N Sewell Air Conditioning Mfg Fac | Oklahoma City | — | ◇ UNVERIFIED |
 Greenheck Fan CORP | Tulsa | — | ◇ UNVERIFIED |
| HCHughes Christensen CO / Beta Test Facility | Beggs | — | ◇ UNVERIFIED |
| HIHydrohoist International Incorporated | Claremore | — | ◇ UNVERIFIED |
| NONational Oilwell Varco/ Flanagan Iron Works | Tulsa | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Mcalester W / Nov Mcalester Rig Operations | Mcalester | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Mission Pro / Nov Completion and Production Solution | Oklahoma City | — | ◇ UNVERIFIED |
| NNortek | Oklahoma City | — | ◇ UNVERIFIED |
| NSNortek Statepoint | Oklahoma City | — | ◇ UNVERIFIED |
| QMQuality Machine Services INC | Oklahoma City | — | ◇ UNVERIFIED |
| SKService King Manufacturing INC / Service King Mfg | Stroud | — | ◇ UNVERIFIED |
| SBSmith Bits a Schlumberger CO / Smith Bits | Ponca City | — | ◇ UNVERIFIED |
| SOSpm Oil and Gas PC - El Reno | El Reno | — | ◇ UNVERIFIED |
| SSStewart & Stevenson LLC | Edmond | — | ◇ UNVERIFIED |
| SMStillwater Marine Propulsion Sys | Stillwater | — | ◇ UNVERIFIED |
| TTarby | Claremore | — | ◇ UNVERIFIED |
| TCTerex CORP Unit Rig Div | Tulsa | — | ◇ UNVERIFIED |
| UIUpco INC | Claremore | — | ◇ UNVERIFIED |
| WMWaldon Mfg Llc/waldon Mfg | Fairview | — | ◇ UNVERIFIED |
| 1180-Tulsa | Broken Arrow | 1–19 | ◐ LIKELY ACTIVE |
| AIAAON, Inc. | Tulsa | 500+ | ◐ LIKELY ACTIVE |
| AWArrowhead Winch - Okmulgee | Okmulgee | 20–99 | ◐ LIKELY ACTIVE |
| ACAuto Crane Company | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| BHBaker Hughes Pump Plant | Claremore | 100–499 | ◐ LIKELY ACTIVE |
| BWBarhbar Welding LLC | Indiahoma | — | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | — | ◐ LIKELY ACTIVE |
| BTBranch #11 Tulsa | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| BWBranch #4 Woodward | Woodward | 1–19 | ◐ LIKELY ACTIVE |
