| FWFlying W, INC. | Watonga | OK | — | ◇ UNVERIFIED |
| FFFormweld Fitting, INC. | Milton | FL | — | ◇ UNVERIFIED |
| FSForney Special Products | Dallas | TX | — | ◇ UNVERIFIED |
| FIFrankenmuth Industrial Services | Frankenmuth | MI | — | ◇ UNVERIFIED |
| FIFriedman Industries, INC. | Decatur | AL | — | ◇ UNVERIFIED |
| FSFurin - Shea Welding - Fabricating INC | Kelly Lake | MN | — | ◇ UNVERIFIED |
| FAFuture Additive Manufacturing Aerospace, Inc | Chicago | IL | — | ◇ UNVERIFIED |
| GCGaskell Company INC the | Memphis | TN | — | ◇ UNVERIFIED |
| GFGeismar Fabricators INC | Donaldsonville | LA | — | ◇ UNVERIFIED |
| GEGemco Electronics INC | Gallatin | TN | — | ◇ UNVERIFIED |
| GSGeomembrane Services INC | Kewadin | MI | — | ◇ UNVERIFIED |
| GSGibson Steel Fabrication | Eugene | OR | — | ◇ UNVERIFIED |
| GFGp Fabrication INC. | Reidsville | NC | — | ◇ UNVERIFIED |
| GIGratemaster INC | North Plains | OR | — | ◇ UNVERIFIED |
| GLGreat Lakes Laser Dynamics INC | Allendale | MI | — | ◇ UNVERIFIED |
| GLGridiron LLC | Lafayette | IN | — | ◇ UNVERIFIED |
| GTGtc Technology | Euless | TX | — | ◇ UNVERIFIED |
| GMGuyan Machinery CO. | Chapmanville | WV | — | ◇ UNVERIFIED |
| HIHackney INC | West Memphis | AR | — | ◇ UNVERIFIED |
| HFHahn Fabrication and Development, LLC | Forestville | NY | — | ◇ UNVERIFIED |
| HMHammersmith Mfg. & Sls | Horton | KS | — | ◇ UNVERIFIED |
| HCHardie-tynes Co., INC | Birmingham | AL | — | ◇ UNVERIFIED |
| HRHarding Real Estate Holdings, LLC | Santa Ana | CA | — | ◇ UNVERIFIED |
| HSHarliss Specialties Corporation | Westmoreland City | PA | — | ◇ UNVERIFIED |
| HMHarshman Machine & Tool CO. | Saint Joseph | MO | — | ◇ UNVERIFIED |
| HMHart Mechanical & Electrical Contractors, INC | Perkasie | PA | — | ◇ UNVERIFIED |
| HIHaseltine Industrial Engravers INC | Mountain View | CA | — | ◇ UNVERIFIED |
| HPHeartland Precision LLC | Wahpeton | ND | — | ◇ UNVERIFIED |
| HTHeat Transfer Specialists of Louisiana, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| HPHercules Project Company LLC | Palmetto | FL | — | ◇ UNVERIFIED |
| HPHigh Pressure Gas Cylndr. | Longview | TX | — | ◇ UNVERIFIED |
| HMHitec Metal Fabrication CORP. | Anaheim | CA | — | ◇ UNVERIFIED |
| HGHme Global LLC - Fusionone | New Iberia | LA | — | ◇ UNVERIFIED |
| HMHogan Manufacturing | Escalon | CA | — | ◇ UNVERIFIED |
| HSHolt Specialty Equipment | Eagleville | TN | — | ◇ UNVERIFIED |
| HSH & S Constructors, INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| HMHutchinson Manufacturing INC | Hutchinson | MN | — | ◇ UNVERIFIED |
| HCHytec Cutting Service INC | Louisville | KY | — | ◇ UNVERIFIED |
| IAI & a Inc., Dba Peninsula Metal Fabrication | San Jose | CA | — | ◇ UNVERIFIED |
| IHImpakt Holdings LLC Dba Dmp | Burlingame | CA | — | ◇ UNVERIFIED |
| IFIndustrial Fabricating | East Syracuse | NY | — | ◇ UNVERIFIED |
| IFIndustrial Fabricating INC. | East Syracuse | NY | — | ◇ UNVERIFIED |
| IFIndustrial Fabricating Systems INC | Milford | MI | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication Services INC | Lake Crystal | MN | — | ◇ UNVERIFIED |
| IFIndustrial Finishing Services INC | Erlanger | KY | — | ◇ UNVERIFIED |
 Integrity Welding & Fabrication, INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| ITIntelligent Tool CORP. | Mooresville | NC | — | ◇ UNVERIFIED |
| IMInterlake Mecalux INC | Melrose Park | IL | — | ◇ UNVERIFIED |
| IBItw Building Components Group, INC | Litchfield | IL | — | ◇ UNVERIFIED |
| JIJanus International | Orlando | FL | — | ◇ UNVERIFIED |
