| # | Company name | Role | # of projects |
|---|---|---|---|
| 1 | G & W Roofing & Construction | Roof installation | 0 |
| 2 | G&G Roofing Construction | Roof installation | 1 |
| 3 | Gage Roofing And Constructors | Roof installation | 1 |
| 4 | Garcia Roofing Inc. | Roof installation | 0 |
| 5 | Garrison Roofing | Roof installation | 1 |
| 6 | Geissler Roofing | Roof installation | 1 |
| 7 | Gem Roofing & Waterproofing | Roof installation | 0 |
| 8 | George Roofing | Roof installation | 2 |
| 9 | Geossa | Roof installation | 1 |
| 10 | Glidden Roofing & Sheetmetal | Roof installation | 1 |
| 11 | Goodrich Roofing Co. | Roof installation | 0 |
| 12 | Great Lakes System Inc | Roof installation | 0 |
| 13 | Greenling Roofing Inc. | Roof installation | 0 |
| 14 | Greg Roofing Inc. | Roof installation | 0 |
| 15 | GRI of West Florida | Roof installation | 2 |
| 16 | Gri Roofing & Sheetmetal | Roof installation | 0 |
| 17 | GRI/General Roofing Industries Inc. | Roof installation | 0 |
| 18 | Grice Roofing Company | Roof installation | 1 |
| 19 | Griffith Roofing Company | Roof installation | 0 |
| 20 | Grove Roofing Co | Roof installation | 0 |