| GSGenzink Steel Supply & Welding Company | Holland | MI | — | ◇ UNVERIFIED |
| GWGeorge's Welding Services INC. | Medley | FL | — | ◇ UNVERIFIED |
| GMGeorgia Metal Fab | Winder | GA | — | ◇ UNVERIFIED |
| GPGeorgia Pipe & Metal Fabricators, INC. | Valdosta | GA | — | ◇ UNVERIFIED |
| GGerdau | O Fallon | MO | — | ◇ UNVERIFIED |
| GGerdau | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC. | Nashville | TN | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC. | Albany | GA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel Us, INC. | Duluth | GA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel Us, INC. | Farmersville | TX | — | ◇ UNVERIFIED |
| GLGerdau Long Steel North America | York | PA | — | ◇ UNVERIFIED |
| GRGerdau Reinforcing Steel | Lindon | UT | — | ◇ UNVERIFIED |
| GFG Fab INC | White City | OR | — | ◇ UNVERIFIED |
| GFG Fab LLC | Corvallis | OR | — | ◇ UNVERIFIED |
| GHG Highfill | Tecumseh | OK | — | ◇ UNVERIFIED |
| GHG. H. Tool & Mold, INC. | Washington | MO | — | ◇ UNVERIFIED |
| GSGibraltar Steel Corporation | Jacksonville | FL | — | ◇ UNVERIFIED |
| GHGilberto Huerta Dba Gilberto's Ornamental Iron Wor | Chula Vista | CA | — | ◇ UNVERIFIED |
 Gilchrist Metal Fabricating Co., Inc. | Hudson | NH | — | ◇ UNVERIFIED |
| GSGK Steel Fabrication, LLC | Duncanville | TX | — | ◇ UNVERIFIED |
| GSGlazier Steel INC | Antioch | CA | — | ◇ UNVERIFIED |
| GWGlenmore welding works, inc. | Brooklyn | NY | — | ◇ UNVERIFIED |
| GWGlenn's Welding and Trailer Supplies | Bismarck | ND | — | ◇ UNVERIFIED |
| GLGlobal Lift Corporation | Bad Axe | MI | — | ◇ UNVERIFIED |
| GCGo Carlson | Peachtree City | GA | — | ◇ UNVERIFIED |
| GPGoc Property Hodings Redevelopment Pennzoil Refinery | Rouseville | PA | — | ◇ UNVERIFIED |
| GSGonsalves & Santucci, INC. Dba Conco | Walnut Creek | CA | — | ◇ UNVERIFIED |
| GSGonsalves & Santucci INC Dba the Conco Companies | Benicia | CA | — | ◇ UNVERIFIED |
| GMGonzales Mfg CO | Gonzales | TX | — | ◇ UNVERIFIED |
| GWGoodells Welding and Fabrication INC | Saint Cloud | MN | — | ◇ UNVERIFIED |
| GTGood Time Productions INC | Arkansas City | KS | — | ◇ UNVERIFIED |
| GFGordon Fabricating INC. | Wood River Junction | RI | — | ◇ UNVERIFIED |
| GSGordon Specialties INC. | Hutchins | TX | — | ◇ UNVERIFIED |
| GIGort Industries, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| GSGp Steel Fabrication | Houston | TX | — | ◇ UNVERIFIED |
| GWGranada Wrought Iron, INC. | Playa Vista | CA | — | ◇ UNVERIFIED |
| GCGrand Concourse - Historic District 675 Walton Ave INC | Bronx | NY | — | ◇ UNVERIFIED |
| GPGreat Plains Rebar, LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| GCGreen Cold Formed Steel LLC | Edinburg | TX | — | ◇ UNVERIFIED |
| GSGriffin Steel & Supply, L.L.C. | Goldsboro | NC | — | ◇ UNVERIFIED |
| GSGriffis Steel Company, INC. | Darien | GA | — | ◇ UNVERIFIED |
| GCGrimes Commercial Properties LLC | Tomball | TX | — | ◇ UNVERIFIED |
| GIGrimmfab, INC. | Yucaipa | CA | — | ◇ UNVERIFIED |
| GMGriswold Machine & Engineering INC (plant #1) | Union City | MI | — | ◇ UNVERIFIED |
| GSGroup Steel Inc. | Miami | FL | — | ◇ UNVERIFIED |
| GFGSS Fabrication Group LLC | Basalt | CO | — | ◇ UNVERIFIED |
| GIGuidry Iron Works INC | Lafayette | LA | — | ◇ UNVERIFIED |
| GIGuifarro Iron Work Corporation | Huntington Station | NY | — | ◇ UNVERIFIED |
| GCGulf Coast Alloy Welding, INC. | Humble | TX | — | ◇ UNVERIFIED |
| GMGulf Marine Fabricators, L.p. | Ingleside | TX | — | ◇ UNVERIFIED |
