| GDG-force Design & Fabrication, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| GIGheen Irrigation Works INC | Harrisburg | OR | — | ◇ UNVERIFIED |
| GHG Highfill | Tecumseh | OK | — | ◇ UNVERIFIED |
| GHG. H. Tool & Mold, INC. | Washington | MO | — | ◇ UNVERIFIED |
| GSGibraltar Steel Corporation | Jacksonville | FL | — | ◇ UNVERIFIED |
| GSGibson Steel Fabricating INC | Eugene | OR | — | ◇ UNVERIFIED |
| GSGibson Steel Fabricating, INC. | Eugene | OR | — | ◇ UNVERIFIED |
| GSGiesbrecht & Sons LLC | Mesa | WA | — | ◇ UNVERIFIED |
| GSGiesbrecht & Sons LLC | Basin City | WA | — | ◇ UNVERIFIED |
| GJGigliotti Joe & Sons Iron Works | Wyomissing | PA | — | ◇ UNVERIFIED |
| GHGilberto Huerta Dba Gilberto's Ornamental Iron Wor | Chula Vista | CA | — | ◇ UNVERIFIED |
 Gilchrist Metal Fabricating Co., Inc. | Hudson | NH | — | ◇ UNVERIFIED |
| GEGingrich Enterprises, INC. | Roanoke | IL | — | ◇ UNVERIFIED |
| GAGIW Acquisition Company LLC | Austin | TX | — | ◇ UNVERIFIED |
| GMGk Machine, INC. | Donald | OR | — | ◇ 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 |
| GBGlobal Boundaries INC. | Sarasota | FL | — | ◇ UNVERIFIED |
| GLGlobal Lift Corporation | Bad Axe | MI | — | ◇ UNVERIFIED |
| GIGms Interiors | San Diego | CA | — | ◇ UNVERIFIED |
| GMGodin Mechanical, LLC. | Enosburg Falls | VT | — | ◇ UNVERIFIED |
| GBGolden Bay Fence Plus Iron Works in | Stockton | CA | — | ◇ UNVERIFIED |
| GGGolden Gate Iron Works, INC. | Huntington Park | CA | — | ◇ UNVERIFIED |
| GGGolden Gate Ornamental Iron | Stockton | CA | — | ◇ UNVERIFIED |
| GGGolden Gate Welding & Iron Works | Stanton | CA | — | ◇ UNVERIFIED |
| GIGomez Iron Works | Daly City | CA | — | ◇ 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 |
| GRGowdey Reed Company | Central Falls | RI | — | ◇ UNVERIFIED |
| GSGp Steel Fabrication | Houston | TX | — | ◇ UNVERIFIED |
| GFGrady F. Smith - Co., INC. | Greenville | NC | — | ◇ UNVERIFIED |
| GEGraham Equipment, LLC | Sterling | CO | — | ◇ UNVERIFIED |
| GEGraham Equipment, LLC | Wray | CO | — | ◇ UNVERIFIED |
| GHGrain Handler USA INC | Lakeville | MN | — | ◇ UNVERIFIED |
| GWGranada Wrought Iron, INC. | Playa Vista | CA | — | ◇ UNVERIFIED |
| GFGrandview Farms INC | Chicopee | MA | — | ◇ UNVERIFIED |
| GOGranote Ornamental Iron INC | Burnsville | MN | — | ◇ UNVERIFIED |
| GKGrape Kist INC | Madera | CA | — | ◇ UNVERIFIED |
| GDGreat Dane Fabrication LLC | Denver | CO | — | ◇ UNVERIFIED |
| GLGreat Lakes Ornamental Iron INC. | Hilton | NY | — | ◇ UNVERIFIED |
| GOGreat Odom's Raven, LLC | Gallatin | TN | — | ◇ UNVERIFIED |
| GPGreat Plains - Assaria Testing (stormwater) | Assaria | KS | — | ◇ UNVERIFIED |
