| CMCerified Machine & Design, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| COChampion Opco, LLC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CCCharlotte Carpenter | Owasso | OK | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| CHC H D LLC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332211 | — | ◇ UNVERIFIED |
| CACherokee Architectural Metals | Broken Arrow | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
 Cherokee Nation Red Wing, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CEChickasaw Energy Solutions | Marietta | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CMChickasha Manufacturing | Chickasha | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| CTChisholm Trail Metal Works, LLC | Ninnekah | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSChoctaw Soldiers Industries, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCititrends | Roland | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CMCline Machine, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CPCmc Post Oklahoma LLC CO Commercial Met / Cmc Southern Post Durant | Durant | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CRCmc Rebar - Muskogee | Muskogee | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CMC & M Precision, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSComponent Services Limited Partnership | Oklahoma City | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CIContinental Industries | Tulsa | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CMCopeland Manufacturing Corporation | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CICpco, INC. | Claremore | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CIC.s.c INC | Tuttle | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CCCustom Coatings of Broken Arrow, INC. | Broken Arrow | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CCCustom Copper Designs | Edmond | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DDD & D Design Manufacturing INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| DBDeere Built, LLC | Ardmore | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| DLDeerebuilt, LLC | Ardmore | OK | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| DYDelbert Young Sheet Metal Service | Ardmore | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DMDilbeck Manufacturing, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DSDoing Steel, INC. | Stillwater | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DBDon Bateman Sheet Metal Fabrication | Sapulpa | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DYDon Young Company, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| DFDuct Fabrication Company, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DHDunham Heat Flow Products | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ECEads Cooling Solutions, LLC | Catoosa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ESEagle Suspensions | Durant | OK | Fabricated Metal Product Manufacturing332611 | — | ◇ UNVERIFIED |
| E2Eco 2007 | Broken Arrow | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| EVEichler Valve | Edmond | OK | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| ECElk City Sheet Metal, INC. | Elk City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| EPElkhart Products Corporation | Westville | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| EIEmco Industries, LLC | Claremore | OK | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| EGEmmaus Group, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| EIEnerfin, Incorporated | Broken Arrow | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| EDEngland Dock Construction | Afton | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EMEnterprise Manufacturing, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EWErnest Wieman Iron Works | Tulsa | OK | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| EMExpress Metal Fabricators, LLC | Locust Grove | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| EPExpress Personnel Services | Fort Gibson | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| ECEz Carrier, LLC | Mounds | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| FIFabrico INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| FSFabsco Shell & Tube, LLC | Sapulpa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| FMFabtek Manufacturing, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
