Alpha Machining & Manufacturing, INC. | Tulsa | — | ● ACTIVE |
Mst Manufacturing LLC | Claremore | 20–99 | ● ACTIVE |
Auto-turn Acquisition, LLC | Tulsa | — | ● ACTIVE |
Bt Machine INC | Tulsa | — | ● ACTIVE |
Cherokee Government Applications LLC | Claremore | — | ● ACTIVE |
Freedom Manufacturing, LLC | Claremore | — | ● ACTIVE |
| KBK & B Machining INC | Claremore | — | ● ACTIVE |
| RLRailscales LLC | Claremore | — | ● ACTIVE |
| AGAaa Galvanizing Che/chelsea Facility | Chelsea | 20–99 | ◐ LIKELY ACTIVE |
| SMS&t Manufacturing | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| AAAxh Air Coolers | Claremore | 500+ | ◐ LIKELY ACTIVE |
| OGOklahoma Galvanizing | Claremore | 100–499 | ◐ LIKELY ACTIVE |
| TCTrinity Containers, LLC Plant No. 1609 | Catoosa | — | ◐ LIKELY ACTIVE |
| TMTulsa Milling and Anodizing Operation | Tulsa | — | ◐ LIKELY ACTIVE |
| AXAir X Changers | Catoosa | — | ◐ LIKELY ACTIVE |
| HEHeat Exchanger Faclty Galvanizing Plt | Catoosa | — | ◐ LIKELY ACTIVE |
| MSMatrix Service Fabrication Div | Catoosa | — | ◐ LIKELY ACTIVE |
| VCValmont Coatings Oklahoma Galvanizing | Claremore | — | ◐ LIKELY ACTIVE |
| 5R530 Road, LLC | Claremore | — | ◐ LIKELY ACTIVE |
| ECEads Cooling Solutions, LLC | Catoosa | — | ◐ LIKELY ACTIVE |
| KKelvion | Catoosa | 500+ | ◐ LIKELY ACTIVE |
| PSPelco Structural, LLC | Claremore | 100–499 | ◐ LIKELY ACTIVE |
| TMTulsa Metal Finishing Company | Tulsa | — | ◐ LIKELY ACTIVE |
| BBBison Bluff Services | Catoosa | — | ◇ UNVERIFIED |
| ITIpsco Tubulars Oklahoma INC / 5610 Bird Creek Ave | Catoosa | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | — | ◇ UNVERIFIED |
| SSSteel Service Building CO / Steel Building and Structure Mfg | Claremore | — | ◇ UNVERIFIED |
| WPWellman Products Oklahoma | Catoosa | — | ◇ UNVERIFIED |
| CMClaw Manufacturing, LLC | Catoosa | 20–99 | ◐ LIKELY ACTIVE |
| CGCMC Galvabar | Catoosa | 20–99 | ◐ LIKELY ACTIVE |
| LFLMI Finishing, Inc. (Tulsa) | Tulsa | 100–499 | ◐ LIKELY ACTIVE |
| MPMetal Panels Inc | Tulsa | 20–99 | ◐ LIKELY ACTIVE |
| PPPeters Precision Machining, LLC | Claremore | — | ◐ LIKELY ACTIVE |
| AMApollo Metal Specialties, INC. | Claremore | — | ◇ UNVERIFIED |
| BEBaldor Electric Company, a Member of Abb Group | Claremore | — | ◇ UNVERIFIED |
Basden Steel-oklahoma, LLC | Claremore | — | ◇ UNVERIFIED |
| BBayotech | Catoosa | — | ◇ UNVERIFIED |
| BMB & M Metal Works | Catoosa | — | ◇ UNVERIFIED |
| CCCharlotte Carpenter | Owasso | — | ◇ UNVERIFIED |
| CMCline Machine, INC. | Tulsa | — | ◇ UNVERIFIED |
| CMCopeland Manufacturing Corporation | Tulsa | — | ◇ UNVERIFIED |
| CICpco, INC. | Claremore | — | ◇ UNVERIFIED |
| ECEads Cooling Solutions, LLC | Catoosa | — | ◇ UNVERIFIED |
| EIEmco Industries, LLC | Claremore | — | ◇ UNVERIFIED |
| EGEmmaus Group, LLC | Tulsa | — | ◇ UNVERIFIED |
| EMEnterprise Manufacturing, LLC | Tulsa | — | ◇ UNVERIFIED |
| GHGea Heat Exchangers, Inc., Plant Three | Catoosa | — | ◇ UNVERIFIED |
| GRGea Rainey Heat Exchangers, INC. | Catoosa | — | ◇ UNVERIFIED |
| HMHELI-ARC Manufacturing Corp. | Owasso | — | ◇ UNVERIFIED |
| ISIns Specialties, LLC | Claremore | — | ◇ UNVERIFIED |