United Refrigeration, INC. | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| AEAcme Environmental | Tulsa | OK | Machinery Manufacturing333998 | 1-19 | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | OK | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| ESElectric Submersible Pumps, LLC | Pauls Valley | OK | Machinery Manufacturing333914 | 1-19 | ◐ LIKELY ACTIVE |
| TITek-Fins Incorporated | Tulsa | OK | Machinery Manufacturing333999 | 100-499 | ◐ LIKELY ACTIVE |
| WSWorldwide Steel Works, INC. | Pryor | OK | Machinery Manufacturing333994 | 20-99 | ◐ LIKELY ACTIVE |
| HIHem INC | Pryor | OK | Machinery Manufacturing333517 | 100-499 | ◇ UNVERIFIED |
| HIHydrohoist International Incorporated | Claremore | OK | Machinery Manufacturing333923 | 20-99 | ◇ UNVERIFIED |
| IVIndustrial Vehicles International, INC | Tulsa | OK | Machinery Manufacturing333120 | 1-19 | ◇ UNVERIFIED |
| MPMurphy Products, INC. | Oklahoma City | OK | Machinery Manufacturing333111 | 1-19 | ◇ UNVERIFIED |
| SBSkinner Bros CO INC / Main Facility | Tulsa | OK | Machinery Manufacturing333998 | 1-19 | ◇ UNVERIFIED |
| SCSooner Coating LLC / Sooner Coating | Catoosa | OK | Machinery Manufacturing333132 | 1-19 | ◇ UNVERIFIED |
| AFAAF Flanders Oklahoma | Ardmore | OK | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| AEArrow Engine Company | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| CTCallidus Tech Inc/beggs Combustion Res | Beggs | OK | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| FFFacet Filtration Stilwell Plant | Stilwell | OK | Machinery Manufacturing333999 | 100-499 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, INC. - Tulsa, Ok | Tulsa | OK | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| HTH&L Tooth | Tulsa | OK | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| HEHorn Equipment Company | Moore | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| IIIaqs, INC | Oklahoma City | OK | Machinery Manufacturing333413 | 1-19 | ◐ LIKELY ACTIVE |
| KIKnutson Irrigation Design, L.l.c. | Yukon | OK | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| LULevare Us, INC. | Tulsa | OK | Machinery Manufacturing333914 | 100-499 | ◐ LIKELY ACTIVE |
| NHNov Hydra Rig Duncan | Duncan | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| NLNov Lindsay Mobile Rigs | Lindsay | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| PWPaccar Winch INC / Okmulgee Facility | Okmulgee | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| RWRamsey Winch | Tulsa | OK | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| TWT.d. Williamson | Tulsa | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TMTexoma Millwright and Welding, INC. | Durant | OK | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AFAdvanced Flow Solutions | Oklahoma City | OK | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| DFDougherty Forestry Manufacturing LLC | El Reno | OK | Machinery Manufacturing333310 | 1-19 | ◐ LIKELY ACTIVE |
| EEExterran Energy Solutions LP | Yukon | OK | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| FEForum Energy Technologies | Guthrie | OK | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| GDGardner Denver INC. | Tulsa | OK | Machinery Manufacturing333911 | — | ◐ LIKELY ACTIVE |
Greenheck Fan CORP | Tulsa | OK | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| KMK&B Machinery, Inc. | Broken Arrow | OK | Machinery Manufacturing333132 | 1-19 | ◐ LIKELY ACTIVE |
| MMMcelroy Mfg-admiral Facility | Tulsa | OK | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| NNortek | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| NSNortek Statepoint | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| PLPremierflow, LLC | Tulsa | OK | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| RDRed Devil, Incorporated | Pryor | OK | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| SSensia | Duncan | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TMTexoma Manufacturing, LLC | Durant | OK | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| AMAgc Mfg Svc INC / Broken Arrow Test Facility | Broken Arrow | OK | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
A G Equipment Company - Hemlocke Site | Broken Arrow | OK | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| ADAmerican Directional Technology, INC. | Wayne | OK | Machinery Manufacturing333319 | 20-99 | ◇ UNVERIFIED |
| BHBaker Hughes Oilfield Operations INC / Bhi Mcoe | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| BMBayliner Marine CORP | Miami | OK | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| CDCactus Drilling Company LLC / Okc Fabrication Yard | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| CICameron Intl - Compression / Cameron Compression Systems | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| CTCentrilift Tulsa | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |