| GRGerard Roofing Technologies | Brea | CA | — | ◇ UNVERIFIED |
| GMGeringhoff Manufacturing LLC | Saint Cloud | MN | — | ◇ UNVERIFIED |
| GIGERK Investments LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| GWGestamp Wind Towers Us, INC. | Amarillo | TX | — | ◇ UNVERIFIED |
| GIGheen Irrigation Works INC | Harrisburg | OR | — | ◇ UNVERIFIED |
| GMGibson Mechanical INC. | Whitestone | NY | — | ◇ UNVERIFIED |
| GMGibson Mech. INC. | Whitestone | NY | — | ◇ UNVERIFIED |
| GWGibson Welding Sheetmetal & Vent, INC. | Destin | FL | — | ◇ UNVERIFIED |
| GSGiesbrecht & Sons LLC | Basin City | WA | — | ◇ UNVERIFIED |
| GSGiesbrecht & Sons LLC | Mesa | WA | — | ◇ UNVERIFIED |
| GCGieske Custom Metal Fabricators | Kansas City | MO | — | ◇ UNVERIFIED |
| GBGilliland Brothers Sheet Metal | Phenix City | AL | — | ◇ UNVERIFIED |
| GEGingrich Enterprises, INC. | Roanoke | IL | — | ◇ UNVERIFIED |
| GSGj&j Sheet Metal Fabrication | Menifee | CA | — | ◇ UNVERIFIED |
| GMGk Machine, INC. | Donald | OR | — | ◇ UNVERIFIED |
| GHGlasco Heating & Air Conditioning, INC. | South Windsor | CT | — | ◇ UNVERIFIED |
| GSGlobal Staffing Solutions, LLC | East Longmeadow | MA | — | ◇ UNVERIFIED |
| GMGodin Mechanical, LLC. | Enosburg Falls | VT | — | ◇ UNVERIFIED |
 Goergen-Mackwirth Co., Inc. | Buffalo | NY | — | ◇ UNVERIFIED |
| GSGolden Steel, INC. | New York | NY | — | ◇ UNVERIFIED |
| GVGood View Metals | Apollo | PA | — | ◇ UNVERIFIED |
| GSGordon Sheet Metal INC | Kailua Kona | HI | — | ◇ UNVERIFIED |
| GRGowdey Reed Company | Central Falls | RI | — | ◇ UNVERIFIED |
| GPGp Precision, INC. | Hackettstown | NJ | — | ◇ UNVERIFIED |
| GIGrabek Iron Works, Inc. | Crown Point | IN | — | ◇ UNVERIFIED |
| GEGraham Equipment, LLC | Sterling | CO | — | ◇ UNVERIFIED |
| GEGraham Equipment, LLC | Wray | CO | — | ◇ UNVERIFIED |
| GHGrain Handler USA INC | Lakeville | MN | — | ◇ UNVERIFIED |
| GFGrandview Farms INC | Chicopee | MA | — | ◇ UNVERIFIED |
| GKGrape Kist INC | Madera | CA | — | ◇ UNVERIFIED |
| GPGrayd 'a' Precision Metal Fabrications | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| GWGreater Wisconsin Sheet Metal, INC | Plymouth | WI | — | ◇ UNVERIFIED |
| GPGreat Plains - Assaria Testing (stormwater) | Assaria | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Manufacturing CO INC | Assaria | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Manufacturing INC. | Salina | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Manufacturing, INC. - Kipp | Kipp | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Mfg. | Salina | KS | — | ◇ UNVERIFIED |
| GPGreat Plains Mfg. (land Pride) - Lucas | Lucas | KS | — | ◇ UNVERIFIED |
| GPGreen Peak Systems, LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| GMGreenwood Manufacturing INC. | Houston | TX | — | ◇ UNVERIFIED |
| GMGregory Metal Fabrication | Crandall | GA | — | ◇ UNVERIFIED |
| GZGreg Zimont | Panama City Beach | FL | — | ◇ UNVERIFIED |
| GBGrow Big Technologies LLC | Koloa | HI | — | ◇ UNVERIFIED |
| GVGSA Ventures LLC | Foley | AL | — | ◇ UNVERIFIED |
| GMGt Mfg., INC | Clay Center | KS | — | ◇ UNVERIFIED |
| GSGuch Sheet Metal and Ac INC | Stuart | FL | — | ◇ UNVERIFIED |
| GAGuernsey Architectural Solutions, INC. | Boca Raton | FL | — | ◇ UNVERIFIED |
| GCGulf Coast Supply & Manufacturing, LLC | Montgomery | AL | — | ◇ UNVERIFIED |
| GMGutierrez Manufacturing INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| GSGuttermans Supply Corporation of America | Portland | OR | — | ◇ UNVERIFIED |
