| CCClimate Craft, INC. | Oklahoma City | OK | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| CIClimatemaster INC | Oklahoma City | OK | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
Smico Manufacturing Co., INC | Oklahoma City | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| TWTulsa Winch Group Twg / Tulsa Winch | Jenks | OK | Machinery Manufacturing333612 | — | ◐ LIKELY ACTIVE |
| COCable Operations | Claremore | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| CMCharles Machine Works INC the / 1959 W Fir Ave | Perry | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| CCClimacool CORP | Oklahoma City | OK | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| DLD & L Oil Tools | Tulsa | OK | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| RCRae CORP / Pryor Plant | Pryor | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| STSolar Turbines Broken Arrow | Broken Arrow | OK | Machinery Manufacturing333611 | 100-499 | ◐ LIKELY ACTIVE |
| TUTerex USA LLC / Cmi Terex CORP | Oklahoma City | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| ZWZeeco West | Broken Arrow | OK | Machinery Manufacturing333994 | 100-499 | ◐ LIKELY ACTIVE |
| UMUe Manufacturing | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Aberdeen Dynamics L.l.c. | Catoosa | OK | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
Centrifugal Casting Machine CO. INC | Owasso | OK | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
Hinz Refrigeration, INC. | Clinton | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
United Refrigeration, INC. | Oklahoma City | OK | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| AFAAF Flanders Oklahoma | Ardmore | OK | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| ACAlltra CORP | Dewey | OK | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| AEArrow Engine Company | Tulsa | OK | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| CTCallidus Tech Inc/beggs Combustion Res | Beggs | OK | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| FFFacet Filtration Stilwell Plant | Stilwell | OK | Machinery Manufacturing333999 | 100-499 | ◐ LIKELY ACTIVE |
| GIGoff INC | Seminole | OK | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ 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 |
| MMMingo Manufacturing | Owasso | OK | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| NHNov Hydra Rig Duncan | Duncan | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| NLNov Lindsay Mobile Rigs | Lindsay | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| PWPaccar Winch INC / Okmulgee Facility | Okmulgee | OK | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| PMPrecision Metal Fab INC. | Ponca City | OK | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| RWRamsey Winch | Tulsa | OK | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| TWT.d. Williamson | Tulsa | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TMTexoma Millwright and Welding, INC. | Durant | OK | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AFAdvanced Flow Solutions | Oklahoma City | OK | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| EEExterran Energy Solutions LP | Yukon | OK | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| MMMcelroy Mfg-admiral Facility | Tulsa | OK | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| PCPlatinum Cross Welding | Okemah | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| RIRamsey Ind / Ramsey Industries | Tulsa | OK | Machinery Manufacturing333923 | — | ◐ LIKELY ACTIVE |
| SSensia | Duncan | OK | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| 1180-Tulsa | Broken Arrow | OK | Machinery Manufacturing333921 | 1-19 | ◐ LIKELY ACTIVE |
| AIAAON, Inc. | Tulsa | OK | Machinery Manufacturing333415 | 500+ | ◐ LIKELY ACTIVE |
| AWArrowhead Winch - Okmulgee | Okmulgee | OK | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| ACAuto Crane Company | Tulsa | OK | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| BHBaker Hughes Pump Plant | Claremore | OK | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| BWBarhbar Welding LLC | Indiahoma | OK | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| BIBlackhawk Industrial Distribution INC | Tulsa | OK | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| BTBranch #11 Tulsa | Tulsa | OK | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
| BWBranch #4 Woodward | Woodward | OK | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
| BBroce | Fairveiw | OK | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| BABroken Arrow, OK | Broken Arrow | OK | Machinery Manufacturing333310 | 100-499 | ◐ LIKELY ACTIVE |