| DLD & L Oil Tools | Tulsa | OK | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| AEArrow Engine Company | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| HEHalliburton Energy Services, INC. - Tulsa, Ok | Tulsa | OK | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| LULevare Us, INC. | Tulsa | OK | Machinery Manufacturing333914 | 100-499 | ◐ LIKELY ACTIVE |
| RWRamsey Winch | Tulsa | OK | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| TWT.d. Williamson | Tulsa | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| MMMcelroy Mfg-admiral Facility | Tulsa | OK | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| RIRamsey Ind / Ramsey Industries | Tulsa | OK | Machinery Manufacturing333923 | — | ◐ LIKELY ACTIVE |
| ACAuto Crane Company | Tulsa | OK | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | OK | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| BTBranch #11 Tulsa | Tulsa | OK | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
| CECRC Evans Tulsa | Tulsa | OK | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| DEDarby Equipment Company | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| FMFammco Manufacturing | Tulsa | OK | Machinery Manufacturing333132 | 1-19 | ◐ LIKELY ACTIVE |
| HTH&L Tooth | Tulsa | OK | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| MMMickelson Metal Works, LLC | Tulsa | OK | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| 4D"OK 400 - Dampers" | Tulsa | OK | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| PPft-tulsa | Tulsa | OK | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| TWT.D. Williamson - Pipeline Pigging Division | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| TKThermo King of Tulsa, LLC | Tulsa | OK | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| TTulsa | Tulsa | OK | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| TLTulsa Levare US Inc | Tulsa | OK | Machinery Manufacturing333914 | 20-99 | ◐ LIKELY ACTIVE |
| TMTulsa Manufacturing Plant | Tulsa | OK | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| ZIZeeco, Inc. | Tulsa | OK | Machinery Manufacturing333994 | 500+ | ◐ LIKELY ACTIVE |