United Refrigeration, INC. | Oklahoma City | — | ◐ LIKELY ACTIVE |
| AEAcme Environmental | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | — | ◐ LIKELY ACTIVE |
| ESElectric Submersible Pumps, LLC | Pauls Valley | 1–19 | ◐ LIKELY ACTIVE |
| TITek-Fins Incorporated | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| WSWorldwide Steel Works, INC. | Pryor | 20–99 | ◐ LIKELY ACTIVE |
| HIHem INC | Pryor | 100–499 | ◇ UNVERIFIED |
| HIHydrohoist International Incorporated | Claremore | 20–99 | ◇ UNVERIFIED |
| IVIndustrial Vehicles International, INC | Tulsa | 1–19 | ◇ UNVERIFIED |
| MPMurphy Products, INC. | Oklahoma City | 1–19 | ◇ UNVERIFIED |
| SBSkinner Bros CO INC / Main Facility | Tulsa | 1–19 | ◇ UNVERIFIED |
| SCSooner Coating LLC / Sooner Coating | Catoosa | 1–19 | ◇ UNVERIFIED |
| AFAAF Flanders Oklahoma | Ardmore | 100–499 | ◐ LIKELY ACTIVE |
| AEArrow Engine Company | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| CTCallidus Tech Inc/beggs Combustion Res | Beggs | — | ◐ LIKELY ACTIVE |
| FFFacet Filtration Stilwell Plant | Stilwell | 100–499 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, INC. - Tulsa, Ok | Tulsa | — | ◐ LIKELY ACTIVE |
| HTH&L Tooth | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| HEHorn Equipment Company | Moore | 20–99 | ◐ LIKELY ACTIVE |
| IIIaqs, INC | Oklahoma City | 1–19 | ◐ LIKELY ACTIVE |
| KIKnutson Irrigation Design, L.l.c. | Yukon | 20–99 | ◐ LIKELY ACTIVE |
| LULevare Us, INC. | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| NHNov Hydra Rig Duncan | Duncan | — | ◐ LIKELY ACTIVE |
| NLNov Lindsay Mobile Rigs | Lindsay | — | ◐ LIKELY ACTIVE |
| PWPaccar Winch INC / Okmulgee Facility | Okmulgee | — | ◐ LIKELY ACTIVE |
| RWRamsey Winch | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TWT.d. Williamson | Tulsa | — | ◐ LIKELY ACTIVE |
| TMTexoma Millwright and Welding, INC. | Durant | — | ◐ LIKELY ACTIVE |
| AFAdvanced Flow Solutions | Oklahoma City | — | ◐ LIKELY ACTIVE |
| DFDougherty Forestry Manufacturing LLC | El Reno | 1–19 | ◐ LIKELY ACTIVE |
| EEExterran Energy Solutions LP | Yukon | — | ◐ LIKELY ACTIVE |
| FEForum Energy Technologies | Guthrie | — | ◐ LIKELY ACTIVE |
| GDGardner Denver INC. | Tulsa | — | ◐ LIKELY ACTIVE |
Greenheck Fan CORP | Tulsa | — | ◐ LIKELY ACTIVE |
| KMK&B Machinery, Inc. | Broken Arrow | 1–19 | ◐ LIKELY ACTIVE |
| MMMcelroy Mfg-admiral Facility | Tulsa | — | ◐ LIKELY ACTIVE |
| NNortek | Oklahoma City | — | ◐ LIKELY ACTIVE |
| NSNortek Statepoint | Oklahoma City | — | ◐ LIKELY ACTIVE |
| PLPremierflow, LLC | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| RDRed Devil, Incorporated | Pryor | 100–499 | ◐ LIKELY ACTIVE |
| SSensia | Duncan | — | ◐ LIKELY ACTIVE |
| TMTexoma Manufacturing, LLC | Durant | 20–99 | ◐ LIKELY ACTIVE |
| AMAgc Mfg Svc INC / Broken Arrow Test Facility | Broken Arrow | — | ◇ UNVERIFIED |
A G Equipment Company - Hemlocke Site | Broken Arrow | — | ◇ UNVERIFIED |
| ADAmerican Directional Technology, INC. | Wayne | 20–99 | ◇ 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 |