- GAP Logistics, LLC
- Garratt-Callahan Company
- Geek Sources Inc
- GEMS IT Computer Consultant Agency, LLC
- General Inspection, LLC
- GenoTyping Center of America, Inc.
- Genuine Vacation LLC
- GeoData Corporation
- Geospatial Consulting Group International, LLC
- Geospatial Technology Associates LLC
- Geovox Security Inc.
- Ginisis Group Inc.
- Giordano Co Inc
- Gipsy Solutions LLC
- Girl on the Roof, Inc.
- GLENN & PARKER ENGINEERING AND ARCHITECTURE, P. A.
- Globafone, Inc.
- Global C2 Integration Technologies, LLC
- GLOBAL Encasement, Inc.
- Global Language Strategies LLC
- Global Medical Foam, Inc.
- Global Personnel Services, Inc.
- Global Tunnels Limited Company
- Goforth & Marti
- Goldsmith Logistics Incorporated
- Gormat LLC
- Gotham Energy 360, LLC
- gothamCulture LLC
- Grafton-Hill, Incorporated
- Granite Horizon LLC
- Grauling Research Inc
- Gray Wolf Associates, LLC
- Green Delete Inc.
- Greene Manufacturing Inc.
- Griffin & Associates, LLC
- Griffin Technology Support Services, Inc.
- Griffith Engineering Inc
- Grimes Events & Party Tents, Inc.
- Ground Level Construction, Inc.
- Ground Zone Environmental Services, LLC
- GSD LLC
- GTime Consultancy Services, LLC
- Gud Marketing, Inc.
- Gunnison Consulting Group, Inc.