| DMDrum Mfg Plt | Cushing | — | ◇ UNVERIFIED |
| EAEaton Aeroquip INC Vinita Facility | Vinita | — | ◇ UNVERIFIED |
| FSFormer Southwest United Industries, INC. | Oklahoma City | — | ◇ UNVERIFIED |
| FEForum Energy Technologies, INC. | Davis | — | ◇ UNVERIFIED |
| GVGlobal Vessel and Tank INC / Global Vessel and Tank INC Union City | Union City | — | ◇ UNVERIFIED |
| HLHemphill LLC | Tulsa | — | ◇ UNVERIFIED |
| IUIkg USA | Sand Springs | — | ◇ UNVERIFIED |
| ITIpsco Tubulars Oklahoma INC / 5610 Bird Creek Ave | Catoosa | — | ◇ UNVERIFIED |
| KVKemper Valve and Fitting CORP / Kemper Valve CORP | Sulphur | — | ◇ UNVERIFIED |
| LTLufthansa Technik Engine Services | Tulsa | — | ◇ UNVERIFIED |
| MIMadison INC / 8500 New Sapulpa Rd | Tulsa | — | ◇ UNVERIFIED |
| NANorth American Galvanizing CO. Plant2 | Tulsa | — | ◇ UNVERIFIED |
| NTNov Tuboscope Edmond Coating Plant | Edmond | — | ◇ UNVERIFIED |
| OCOcv Control Valves Precision Coatings / Ocv Control Valves Precision Coatings | Tulsa | — | ◇ UNVERIFIED |
| OFOklahoma Forge | Tulsa | — | ◇ UNVERIFIED |
| PWPaccar Winch INC / Broken Arrow Winch Hoist Manufacturing | Broken Arrow | — | ◇ UNVERIFIED |
| PTPermian Tank and Manufacturing INC / El Reno Manufacturing Plant | El Reno | — | ◇ UNVERIFIED |
| P1Plt 18 | Oklahoma City | — | ◇ UNVERIFIED |
| PCPort City Metal Services INC. | Tulsa | — | ◇ UNVERIFIED |
| PLPrescor LLC | Tulsa | — | ◇ UNVERIFIED |
| PPyrotek | Tulsa | — | ◇ UNVERIFIED |
| QFQuality Finishing, INC. | Mcalester | — | ◇ UNVERIFIED |
| RFRooks Fabrication, LLC | Tulsa | 1–19 | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | — | ◇ UNVERIFIED |
| SWShaw Word Ind Fabricators INC / Cleveland Paint Facility | Cleveland | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | — | ◇ UNVERIFIED |
| SPSouthwest Plating INC / Duncan Plating Facility | Duncan | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | — | ◇ UNVERIFIED |
| SSSteel Service Building CO / Steel Building and Structure Mfg | Claremore | — | ◇ UNVERIFIED |
| SMStrope Manufacturing, INC. | Tulsa | 1–19 | ◇ UNVERIFIED |
| TFTdk Ferrites CORP / Tdk Ferrites CORP | Shawnee | — | ◇ UNVERIFIED |
| TFTdk Ferrites CORP / Tdk Ferrites Rare Earth | Shawnee | — | ◇ UNVERIFIED |
| TEThermal Engineering International | Sapulpa | — | ◇ UNVERIFIED |
| TCTrinity Containers LLC / Plt 27 | Tulsa | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | — | ◇ UNVERIFIED |
| VSVoight & Schweitzer | Muskogee | — | ◇ UNVERIFIED |
| WPWellman Products Oklahoma | Catoosa | — | ◇ UNVERIFIED |
| WIWesterman, INC. | Skiatook | — | ◇ UNVERIFIED |
| ZIZapata Inds INC | Muskogee | — | ◇ UNVERIFIED |
| 3A3d Aerostructures INC | Oklahoma City | — | ◐ LIKELY ACTIVE |
| 9M968 - Muskogee, OK (Crimson) | Muskogee | 20–99 | ◐ LIKELY ACTIVE |
| 9O969 - Oklahoma City, OK (Crimson) | Oklahoma City | 20–99 | ◐ LIKELY ACTIVE |
| ASA1 Sheet Metal | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| ACABC Coating Company Inc. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| AFAbitl Finishing Inc. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| APAbitl Powder Coating, LLC | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| ASAir System Components | Ponca City | 100–499 | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Broken Arrow | Broken Arrow | 100–499 | ◐ LIKELY ACTIVE |
| AFAllied Facade Systems, LLC | Midwest City | 20–99 | ◐ LIKELY ACTIVE |
| AAAmerican Alloy Steel Tulsa Oklahoma | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
