| G Valencia Construction INC | Copado Galdino Valencia | — | (408) 768 6013 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| G West Roofing INC | Mario Enrique Sr Ramos Alberto | gwestroofing@gmail.com | (408) 985 3698 | Other roofers | San Jose · Santa Clara County | — | — |
| G&d Modern Home INC | Rafal Tadeusz Dargiewicz | — | (408) 594 9561 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| G-net INC | Quang Dinh Dang | — | (408) 966 4849 | Other | San Jose · Santa Clara County | — | — |
| G32 Construction & Development | Jeffrey David Paulson | — | (652) 222 9837 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Ga & J Plumbing | Allen Giang | — | (408) 887 9549 | Other | San Jose · Santa Clara County | — | — |
| Gaap Electric | Avendano Nino Alexander | gaapelectric@gmail.com | (650) 309 2376 | Electricians | Cupertino · Santa Clara County | — | — |
| Gabriel Romo Landscape Service | Romo Gabriel | — | (408) 505 2630 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Gaea Build | Gaea Build | — | (650) 980 9888 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Gaetaway Electric INC | Jacob Anthony Gaeta | — | (408) 625 9978 | Electricians | Gilroy · Santa Clara County | — | — |
| Gagan Sigh Kang | Gagan Sigh Kang | — | (408) 888 5264 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Galante Brothers General Engineering INC | Jack Carl Galante | — | (408) 291 0100 | Other | San Jose · Santa Clara County | — | — |
| Galaxy Pro Painting Services | Jimenez Hernandez Rigoberto | — | (408) 849 3808 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Galeb Paving INC | Margaret Elizabeth Galeb | — | (408) 253 4747 | Other | Saratoga · Santa Clara County | — | — |
| Galianin Viktor | Galianin Viktor | — | (669) 223 8477 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gallaga's Plumbing | Gallaga's Plumbing | — | (408) 204 3915 | Other | Santa Clara · Santa Clara County | — | — |
| Gallos Quality Construction INC | Josue Ivan Aleluya Gonzalez | — | (408) 625 9497 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Galvan & Son Concrete Construction INC | Isaias Ike Galvan | — | (408) 778 1280 | Other | Morgan Hill · Santa Clara County | — | — |
| Galvan Plumbing | Galvan Plumbing | — | (408) 205 5253 | Other | Gilroy · Santa Clara County | — | — |
| Gam Builders INC | Gabriel Antonio Romero Menchaca | — | (408) 401 7028 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Gamboa Construction | Marcos Antonio Gamboa Rojas | — | (650) 417 8850 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Garage Door Pro Services | Ulvi Verdiyev | — | (650) 714 0805 | Other | Cupertino · Santa Clara County | — | — |
| Garage Door Repair Silicon Valley | Philip Jeffrey Ledgley | garagedoorrepairsvteam@gmail.com | (669) 360 9782 | Other | San Jose · Santa Clara County | — | — |
| Garage Door Rescue | Garage Door Rescue | — | (408) 824 8368 | Other | San Jose · Santa Clara County | — | — |
| Garage Doors Incorporated | Vincent Scott Jensen | — | (408) 293 7443 | Other | San Jose · Santa Clara County | — | — |
| Garage Doors Solutions INC | Ulvi Verdiyev | — | (650) 714 0805 | Other | Cupertino · Santa Clara County | — | — |
| Garage Monkey DBA Garage Monkey Closet Systems | Renato Jose Chiarella | — | (408) 394 8955 | Other | San Jose · Santa Clara County | — | — |
| Garbe Construction | Richard George Garbe | — | (408) 203 6206 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Garcia Electric | Garcia Adrian | interested@domainmarket.com | (408) 603 7366 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Garcia Electric | Garcia Barrera Adrian | interested@domainmarket.com | (650) 924 0493 | Electricians | Palo Alto · Santa Clara County | — | — |
| Garcia Glazing | John Mondragon Kinney | — | (408) 352 5111 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Garcia Heating And Cooling Mechanical | Garcia Heating And Cooling Mechanical | — | (669) 261 2518 | HVAC | San Jose · Santa Clara County | — | — |
| Garcia Tile | Garcia Tile | — | (408) 248 3342 | Other | Santa Clara · Santa Clara County | — | — |
| Garcia's Construction | Jose Maria Garcia | — | (408) 369 0241 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Garcia's Exclusive Tile | Rendon Mario Garcia | — | (408) 390 3165 | Other | San Jose · Santa Clara County | — | — |
| Garcia's Floor Covering INC | Javier H Garcia | — | (408) 504 2568 | Other | San Jose · Santa Clara County | — | — |
| Garcia's Landscaping | Sandra Janet Garcia | — | (408) 688 6064 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Garcias Ornamental Iron Works LLC | Joaquin Diaz Garcia | — | (408) 998 2440 | Other | San Jose · Santa Clara County | — | — |
| Garden City Construction INC | James Alan Salata | info@gardencityconst.com | (408) 289 8807 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Garden City Design | Garden City Design | — | (408) 687 5664 | Windows, patio, painters | San Jose · Santa Clara County | — | — |