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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Galen Hagen | Underhill, VT | — | Designer | — |
| Gauthier'S Trucking Inc. | Essex Jct., VT | — | Septage Hauler | 202 |
| George (Joey) Wilson | Montpelier, VT | — | Designer | — |
| George McCain | Waterbury, VT | — | Designer | — |
| Gerald D'Amico | Roxbury, VT | — | Designer | — |
| Gerard Blanchette | Concord, NH | — | Designer | — |
| Gf Damon Trucking Llc | Derry, NH | — | Septage Hauler | 2272 |
| Gmg Enterprises, Inc. | South Deerfield, MA | — | Septage Hauler | 2283 |
| Godfrey Property And Septic Llc | Post Mills, VT | — | Septage Hauler | 2740 |
| Gordon Reynolds | North Port, FL | — | Designer | — |
| Graf Bros. Leasing, Inc. | Salisbury, MA | — | Septage Hauler | 1008 |
| Graham Tidman | Essex Junction, VT | — | Designer | — |
| Green Site Services Group, Inc. | Franklin, MA | — | Septage Hauler | 2446 |
| Gregory Bombardier | Naples, FL | — | Designer | — |
| Gregory Dixson | Colchester, VT | — | Designer | — |
| Gregory Kepler | Manchester Center, VT | — | Designer | — |
| Gregory Kinne | Wells, VT | — | Designer | — |
| Gregory M. Scribner Dba Scribner Septic Service | West Rutland, VT | — | Septage Hauler | 461 |
| Gregory McKenney | Bristol, VT | — | Designer | — |
| Gregory Vigna | Clarksburg, MA | — | Designer | — |
| Gunnar Olson | South Hero, VT | — | Designer | — |
| Gwendolen St Sauveur | Montpelier, VT | — | Designer | — |
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