| PMPrecise Machining & Manufacturing LLC | Tulsa | — | ◐ LIKELY ACTIVE |
Quality Plating of Tulsa INC / 2665 N Darlington | Tulsa | — | ◐ LIKELY ACTIVE |
| BMBaskins Machined Products | Collinsville | 20–99 | ◐ LIKELY ACTIVE |
| FCFabwell CORP | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| BABroken Arrow Powder Coating, INC. | Broken Arrow | 20–99 | ◐ LIKELY ACTIVE |
| CUCae USA INC. | Broken Arrow | — | ◐ LIKELY ACTIVE |
| CMCimarron Machine Services, Inc. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| CCCorrpro Companies | Sand Springs | — | ◐ LIKELY ACTIVE |
| ESEBSCO Spring Co., Inc. | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| ELEmpire Laser & Metal Work, LLC | Broken Arrow | 20–99 | ◐ LIKELY ACTIVE |
| GXGen X Machine Technologies INC | Tulsa | — | ◐ LIKELY ACTIVE |
| HIHoneywell International INC. | Tulsa | — | ◐ LIKELY ACTIVE |
| JMJohnson Machine INC | Owasso | — | ◐ LIKELY ACTIVE |
| MMMcelroy Manufacturing Incorporated | Tulsa | — | ◐ LIKELY ACTIVE |
Midwest Precision, INC | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| MMMingo Manufacturing | Owasso | 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 |
| VEVictory Energy Operations | Collinsville | 100–499 | ◐ 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 |
| ALAlfa Laval, INC. US Spiral Heat Exchanger (she) | Broken Arrow | — | ◐ 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 |
| RHReda Hps | Owasso | — | ◐ LIKELY ACTIVE |
| SNSwep North America | 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 |
| IUIkg USA | Sand Springs | — | ◇ UNVERIFIED |
| LTLufthansa Technik Engine Services | 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 |
| PWPaccar Winch INC / Broken Arrow Winch Hoist Manufacturing | Broken Arrow | — | ◇ UNVERIFIED |
| PCPort City Metal Services INC. | Tulsa | — | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | — | ◇ UNVERIFIED |