| FAFarr Air Pollution Control | Jonesboro | AR | — | ◇ UNVERIFIED |
| FRFerrell-ross Roll Manufacturing | Hereford | TX | — | ◇ UNVERIFIED |
| FAFfc Attachments | Lee | IL | — | ◇ UNVERIFIED |
| FFibrebond | Edelstein | IL | — | ◇ UNVERIFIED |
| FLFischer Lime & Cement Garage | Memphis | TN | — | ◇ UNVERIFIED |
| FLFisher & Ludlow Inc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| FMFlorida Metal Products | Jacksonville | FL | — | ◇ UNVERIFIED |
| FCFmc CORP | Hoopeston | IL | — | ◇ UNVERIFIED |
| FSFmt Shipyard & Repair LLC - Universal Services & Associates | Belle Chasse | LA | — | ◇ UNVERIFIED |
| FCFormer Cardinal Grain | Columbia City | IN | — | ◇ UNVERIFIED |
| FMFormer Mrp LLC ( Bldg-2 ( Njdep Isra Case# 20160039)) | South Plainfield | NJ | — | ◇ UNVERIFIED |
| FCFred Cain Farm Equipment Company | Danville | KY | — | ◇ UNVERIFIED |
| FSFritz Structural Steel INC | Valley Head | AL | — | ◇ UNVERIFIED |
| FGFrontier Gratings, LLC | Fort Payne | AL | — | ◇ UNVERIFIED |
| FRFront Range Steel INC | Wellington | CO | — | ◇ UNVERIFIED |
| FEFulton Equipment | Toledo | OH | — | ◇ UNVERIFIED |
| FMFwm Mechanical INC | Taylor | LA | — | ◇ UNVERIFIED |
| GFGadsden Fabrication INC | Gadsden | AL | — | ◇ UNVERIFIED |
| GIGalbreath, Incorporated | Mansfield | TX | — | ◇ UNVERIFIED |
| GAGalfab Acquisitions, LLC | Winamac | IN | — | ◇ UNVERIFIED |
| GSGambone Steel Company, INC. | Eagleville | PA | — | ◇ UNVERIFIED |
| GEGame Equipment LLC | Napoleonville | LA | — | ◇ UNVERIFIED |
| GAGamma Aerospace LLC | Gardena | CA | — | ◇ UNVERIFIED |
| GIGarbe Iron Works INC | Aurora | IL | — | ◇ UNVERIFIED |
| GCGateway Company-graham | Saint Louis | MO | — | ◇ UNVERIFIED |
| GDGator Dock and Marine | Sanford | FL | — | ◇ UNVERIFIED |
| GCGeary County Rual Fire Station No 1 | Junction City | KS | — | ◇ UNVERIFIED |
| GCGehl Company | West Bend | WI | — | ◇ UNVERIFIED |
| GEGem Equipment & Mfg | Roanoke | IL | — | ◇ UNVERIFIED |
| GIGencor Industries INC | Marquette | IA | — | ◇ UNVERIFIED |
| GAGeneral Atomics Ems Division, Tupelo | Shannon | MS | — | ◇ UNVERIFIED |
| GFGeneral Fabricators INC - New Iberia Facility | New Iberia | LA | — | ◇ UNVERIFIED |
| GSGeneral Steel Products | Everett | MA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel - Jackson Reinforcing | Jackson | TN | — | ◇ UNVERIFIED |
| GRGerdau Reinforcing Steel | Napa | CA | — | ◇ UNVERIFIED |
| GMGill Manufacturing INC. | Davenport | FL | — | ◇ UNVERIFIED |
| GSGist Specialties LLC | N Las Vegas | NV | — | ◇ UNVERIFIED |
| GAGkn Aerospace Monitor INC | Amityville | NY | — | ◇ UNVERIFIED |
| GTGladwin Tank Mfg Inc-gladwin | Gladwin | MI | — | ◇ UNVERIFIED |
 Global Affinity | Bristol | PA | — | ◇ UNVERIFIED |
| GEGlobal Equipment Company INC | Norfolk | NE | — | ◇ UNVERIFIED |
| GMGlobal Mfg INC | Ladson | SC | — | ◇ UNVERIFIED |
| GIGlobe Iron Construction Company | Norfolk | VA | — | ◇ UNVERIFIED |
| GMGlobe Metal Finishing INC | Newark | NJ | — | ◇ UNVERIFIED |
| GBGolden Boat Lifts, LLC | North Fort Myers | FL | — | ◇ UNVERIFIED |
| GMGonzales Manufacturing | Gonzales | TX | — | ◇ UNVERIFIED |
| GSGraham Steel CORP | Kirkland | WA | — | ◇ UNVERIFIED |
| GJGrand Junction Steel LLC | Grand Junction | CO | — | ◇ UNVERIFIED |
| GBGreat Bend Manufacturing | Great Bend | KS | — | ◇ UNVERIFIED |
| GTGreenfields Truss, INC. | Gentry | AR | — | ◇ UNVERIFIED |
