Miratech Group LLC | Tulsa | 100–499 | ● ACTIVE |
Sawyer Manufacturing Company | Tulsa | 20–99 | ● ACTIVE |
| ETEversharp Tool, INC. | Tulsa | — | ● ACTIVE |
Preston-eastin INC | Tulsa | 20–99 | ● ACTIVE |
Ruhrpumpen, INC. | Tulsa | — | ● ACTIVE |
| SRS & R Compression LLC | Tulsa | 100–499 | ● ACTIVE |
Aaon, INC. | Tulsa | — | ● ACTIVE |
Facet (oklahoma) LLC | Tulsa | — | ● ACTIVE |
Hydra Service LLC | Tulsa | — | ● ACTIVE |
Machine Tool Specialties, LLC | Tulsa | — | ● ACTIVE |
The G. C. Broach Company | Tulsa | — | ● ACTIVE |
Thomas Energy Systems INC | Tulsa | — | ● ACTIVE |
| DLD & L Oil Tools | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| AIAaon INC / 2425 S Yukon Ave | Tulsa | — | ◇ UNVERIFIED |
| NSNorris Sucker Rods / 4801 W 49th St Norris Sucker Rod Faclt | Tulsa | — | ◇ UNVERIFIED |
| AEArrow Engine Company | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, INC. - Tulsa, Ok | Tulsa | — | ◐ LIKELY ACTIVE |
| LULevare Us, INC. | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| RWRamsey Winch | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TWT.d. Williamson | Tulsa | — | ◐ LIKELY ACTIVE |
| MMMcelroy Mfg-admiral Facility | Tulsa | — | ◐ LIKELY ACTIVE |
| RIRamsey Ind / Ramsey Industries | Tulsa | — | ◐ LIKELY ACTIVE |
| AEAcme Environmental | Tulsa | — | ◇ UNVERIFIED |
| CTCentrilift Tulsa | Tulsa | — | ◇ UNVERIFIED |
| DLD & L Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| GDGardner Denver INC. | Tulsa | — | ◇ UNVERIFIED |
Greenheck Fan CORP | Tulsa | — | ◇ UNVERIFIED |
| NONational Oilwell Varco/ Flanagan Iron Works | Tulsa | — | ◇ UNVERIFIED |
| TCTerex CORP Unit Rig Div | Tulsa | — | ◇ UNVERIFIED |
| AIAAON, Inc. | Tulsa | 500+ | ◐ LIKELY ACTIVE |
| ACAuto Crane Company | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | — | ◐ LIKELY ACTIVE |
| BTBranch #11 Tulsa | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| CECRC Evans Tulsa | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| DEDarby Equipment Company | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| FMFammco Manufacturing | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Tulsa | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| HTH&L Tooth | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| MMMickelson Metal Works, LLC | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| 3D"OK 300 - DC / Mfg Training Academy" | Tulsa | 1–19 | ◐ LIKELY ACTIVE |
| 4D"OK 400 - Dampers" | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| 7R"ok 700 - Rtu" | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| PPft-tulsa | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| TWT.D. Williamson - Pipeline Pigging Division | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TKThermo King of Tulsa, LLC | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TTulsa | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TLTulsa Levare US Inc | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| TMTulsa Manufacturing Plant | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| ZHZeeco Headquarters | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| ZIZeeco, Inc. | Tulsa | 500+ | ◐ LIKELY ACTIVE |