| CMCimarron Machine Services, Inc. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| ESEBSCO Spring Co., Inc. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| GXGen X Machine Technologies INC | Tulsa | — | ◐ LIKELY ACTIVE |
| HIHoneywell International INC. | Tulsa | — | ◐ LIKELY ACTIVE |
| MMMcelroy Manufacturing Incorporated | Tulsa | — | ◐ LIKELY ACTIVE |
Midwest Precision, INC | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| SHSlim Haney Machining, INC. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| SUSouthwest United Industries INC | Tulsa | — | ▲ REPORTED CLOSED |
| TFTaylor Forge Engineered Systems Tulsa | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TITek-fins, INC. | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| TGThe G.C. Broach Co. Office | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| TBThomas & Betts | Tulsa | — | ◐ LIKELY ACTIVE |
| VIValmont Industries Tulsa | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| VLVentaire LLC | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| WFWedlake Fabricating, INC. | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| 1E10055 E 56th St N | Tulsa | — | ◐ LIKELY ACTIVE |
| ACAircraft Cylinders of America INC | Tulsa | — | ◐ LIKELY ACTIVE |
| APAmeristar Perimeter Security USA INC / Ameristar Perimeter Security USA INC | Tulsa | — | ◐ LIKELY ACTIVE |
| CCCarlson Company | Tulsa | — | ◐ LIKELY ACTIVE |
| CChart | Tulsa | — | ◐ LIKELY ACTIVE |
| CPChromium Plating Company | Tulsa | — | ◐ LIKELY ACTIVE |
| CBCircle B Measurement and Fabrication, LLC | Tulsa | — | ◐ LIKELY ACTIVE |
| NANov Ameron Tulsa Pole Products Welding & Fabrication | Tulsa | — | ◐ LIKELY ACTIVE |
| RARolled Alloys | Tulsa | — | ◐ LIKELY ACTIVE |
| SNSwep North America | Tulsa | — | ◐ LIKELY ACTIVE |
| TMTulsa Metal Finishing Company | Tulsa | — | ◐ LIKELY ACTIVE |
| USUniversal Sandblasting and Coating INC / 1800 S 49th W Ave | Tulsa | — | ◐ LIKELY ACTIVE |
| VIValmont Industries INC | Tulsa | — | ◐ LIKELY ACTIVE |
| AIAsc, INC. | Tulsa | — | ◇ UNVERIFIED |
| CRCommercial Resins | Tulsa | — | ◇ UNVERIFIED |
| HLHemphill LLC | Tulsa | — | ◇ UNVERIFIED |
| LTLufthansa Technik Engine Services | Tulsa | — | ◇ UNVERIFIED |
| MIMadison INC / 8500 New Sapulpa Rd | Tulsa | — | ◇ UNVERIFIED |
| NANorth American Galvanizing CO. Plant2 | Tulsa | — | ◇ UNVERIFIED |
| OCOcv Control Valves Precision Coatings / Ocv Control Valves Precision Coatings | Tulsa | — | ◇ UNVERIFIED |
| OFOklahoma Forge | Tulsa | — | ◇ UNVERIFIED |
| PCPort City Metal Services INC. | Tulsa | — | ◇ UNVERIFIED |
| PLPrescor LLC | Tulsa | — | ◇ UNVERIFIED |
| PPyrotek | Tulsa | — | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | — | ◇ UNVERIFIED |
| TCTrinity Containers LLC / Plt 27 | Tulsa | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | — | ◇ UNVERIFIED |
| 9T967 - Tulsa Rebar /Fab (Crimson) | Tulsa | 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 |
| AAAmerican Alloy Steel Tulsa Oklahoma | Tulsa | 20–99 | ◐ LIKELY ACTIVE |