| FMFederal Metals, INC | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| FSFence Solutions INC. | Enid | OK | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| FFFenceTrac Fence Systems, Inc. | Jenks | OK | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| FAFincher and Sons Pipe and Steel | Caddo | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| FTFinishing Technologies INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| FIFin-x, INC | Owasso | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| FTFlatlands Threading Co. Inc. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| FTFlatlands Threading Company, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| FWFlying W, INC. | Watonga | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| FSFord Sandblasting | Eufaula | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FEForum Energy Technologies | Guthrie | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| FMFoster Machine | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| FMFrazier Manufacturing, INC. | Sand Springs | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| FIFTDM Investments, LLC | Locust Grove | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GLGarrett, LLC | Amber | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| GHGea Heat Exchangers, Inc., Plant Three | Catoosa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| GMGenesis Metal CORP | Beggs | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| GWGerald's Welding & Fabrication, INC. | Chickasha | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GHG Highfill | Tecumseh | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| GOGiant Oil Tools, USA LLC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GSGideon Steel Panel Company, LLC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| GMGivens Manufacturing, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| GTGlenn Tool, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GWGlobal Wire Cloth, LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| GMGrand Machine, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GPGreat Plains Rebar, LLC | Oklahoma City | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HSHarmony Star Fabrication LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| HIHarwell Industries | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| HBH & B Machine & Manufacturing, INC. | Chickasha | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HTHeat Transfer Equipment CO. | Tulsa | OK | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| HMHELI-ARC Manufacturing Corp. | Owasso | OK | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HMHenson Manufacturing & Sales | Adair | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HSHigh Summit Capital II LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| HMHignite Metal Fabricating | Rush Springs | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| HMHill Manufacturing, INC. | Broken Arrow | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| H3Hirsch 3667 Coporation | Clinton | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| HIHitech, INC. | Moore | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| HIHi-tech Industries, LLC | Broken Arrow | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HIHmt, INC. | Blackwell | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HMHolmboe Manufacturing CO. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| HCHonor Companies LLC | Sapulpa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HKHowco Kiefer | Kiefer | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| ISIdeal Specialty, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Services, LLC | Sand Springs | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| IMIndustrial Machine Company | Oklahoma City | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ISIndustrial Splicing and Sling, L.l.c. | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| IMInland Machine and Welding CO. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ISIns Specialties, LLC | Claremore | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ITIntegrated Tower Systems | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| IFIpc Fabricators LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
