| APAirtech Products, INC. | Tulsa | — | ◇ UNVERIFIED |
| ASAllen Sheet Metal INC. | Tulsa | — | ◇ UNVERIFIED |
| ACAllman Canopies and Construction | Tulsa | — | ◇ UNVERIFIED |
| AMAllred Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| AAll-star | Tulsa | — | ◇ UNVERIFIED |
| APAmerican Pipe Bending INC. | Tulsa | — | ◇ UNVERIFIED |
| AAm-Tec | Tulsa | — | ◇ UNVERIFIED |
| BDB D & J INC. | Tulsa | — | ◇ UNVERIFIED |
| BEBeekmann Enterprises | Owasso | — | ◇ UNVERIFIED |
| BMBoyle Manufacturing | Tulsa | — | ◇ UNVERIFIED |
| BABroken Arrow Powder Coating, INC. | Broken Arrow | — | ◇ UNVERIFIED |
| BCBrooks Custom Fabrication, INC. | Tulsa | — | ◇ UNVERIFIED |
| BSBs&b Safety Sys L L C | Tulsa | — | ◇ UNVERIFIED |
| BGBuffalo Grating LLC | Tulsa | — | ◇ UNVERIFIED |
| BSBuilders Steel INC / 1924 S 49th W Ave Steel Fab Shop | Tulsa | — | ◇ UNVERIFIED |
| BPBurns Pressure Systems | Broken Arrow | — | ◇ UNVERIFIED |
| CACherokee Architectural Metals | Broken Arrow | — | ◇ UNVERIFIED |
 Cherokee Nation Red Wing, LLC | Tulsa | — | ◇ UNVERIFIED |
| CSChoctaw Soldiers Industries, INC. | Tulsa | — | ◇ UNVERIFIED |
| CIContinental Industries | Tulsa | — | ◇ UNVERIFIED |
| CICust-o-bend, INC. | Tulsa | — | ◇ UNVERIFIED |
| DHDunham Heat Flow Products | Tulsa | — | ◇ UNVERIFIED |
| E2Eco 2007 | Broken Arrow | — | ◇ UNVERIFIED |
| EIEnerfin, Incorporated | Broken Arrow | — | ◇ UNVERIFIED |
| EWErnest Wieman Iron Works | Tulsa | — | ◇ UNVERIFIED |
| FIFabrico INC. | Tulsa | — | ◇ UNVERIFIED |
| FMFabtek Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| FMFederal Metals, INC | Tulsa | — | ◇ UNVERIFIED |
| FFFenceTrac Fence Systems, Inc. | Jenks | — | ◇ UNVERIFIED |
| FTFinishing Technologies INC. | Tulsa | — | ◇ UNVERIFIED |
| FIFin-x, INC | Owasso | — | ◇ UNVERIFIED |
| FPFirst Process Steel, INC. | Tulsa | — | ◇ UNVERIFIED |
| FMFoster Machine | Tulsa | — | ◇ UNVERIFIED |
| FMFrazier Manufacturing, INC. | Sand Springs | — | ◇ UNVERIFIED |
| FSFriction Solutions, LLC | Tulsa | — | ◇ UNVERIFIED |
| GMGivens Manufacturing, INC. | Tulsa | — | ◇ UNVERIFIED |
| GWGlobal Wire Cloth, LLC | Tulsa | — | ◇ UNVERIFIED |
| HIHarsco Industrial Hammco, LLC | Owasso | — | ◇ UNVERIFIED |
| HTHeat Transfer Equipment CO. | Tulsa | — | ◇ UNVERIFIED |
| HSHigh Summit Capital II LLC | Tulsa | — | ◇ UNVERIFIED |
| HMHill Manufacturing, INC. | Broken Arrow | — | ◇ UNVERIFIED |
| ISIdeal Specialty, INC. | Tulsa | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Services, LLC | Sand Springs | — | ◇ UNVERIFIED |
| ISIndustrial Splicing and Sling, L.l.c. | Tulsa | — | ◇ UNVERIFIED |
| ITIntegrated Tower Systems | Tulsa | — | ◇ UNVERIFIED |
| JMJero Manufacturing, Inc. | Tulsa | — | ◇ UNVERIFIED |
| JAJoco Assembly LLC | Tulsa | — | ◇ UNVERIFIED |
| JMJohnson Machine, INC. | Collinsville | — | ◇ UNVERIFIED |
| JSJorame Superior Honing | Tulsa | — | ◇ UNVERIFIED |
| JMJ's Metal Fabrication LLC | Tulsa | — | ◇ UNVERIFIED |
