| Gibb Electric | Mike David Gibb | — | (408) 605 8358 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Gidel & Kocal Construction Company,inc | Ashley Renee Gidel | — | (408) 370 0280 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Gil Garcia Painting | Gil Garcia Painting | — | (408) 665 2953 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Gilas Construction | Gilbert Anthony Salgado | — | (408) 963 1569 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Gilbane Building Company | Jeffrey Graham Park | — | (408) 660 4400 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gilher General Construction | Hernandez Gil Gerardo | — | (669) 262 7899 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Gillespie Construction | Michael Patrick Gillespie | — | (408) 621 6131 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gilroy Concrete | Gilroy Concrete | info@gilroyconcrete.com | (408) 843 8728 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Gilroy Electric INC | Bennie John Moretti | — | (408) 842 2649 | Electricians | Gilroy · Santa Clara County | — | — |
| Gilroy Fence & Co | Wilberth Edwin Esquivel | — | (669) 888 6053 | Other | Gilroy · Santa Clara County | — | — |
| Gilroy Glass | Gilroy Glass | — | (408) 665 5187 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Gilroy Paint Co | Jason Robert Cisneros | — | (408) 427 6710 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Gingerelli Plumbing | Gingerelli Plumbing | — | (408) 667 4349 | Other | San Jose · Santa Clara County | — | — |
| Giotta Construction INC | Stewart John Giotta | — | (408) 472 0856 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Giuliani Construction And Restoration INC | Anthony Craig| Julian Anthony Craig Giuliani | — | (408) 476 7216 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Given Electric | Bill Franklin Given | — | (650) 353 6494 | Electricians | Campbell · Santa Clara County | — | — |
| Gk Builders General Contracting INC | Gary Woodrow Jr Meek | — | (408) 218 9888 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Gki Construction INC | Gary Keith King | — | (408) 482 5044 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Gkw Constructors INC | Gordon Konfung Wong | — | (408) 315 2125 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Gladiator Repipe INC | Mavell Valeska Sagastume | gladiatorrepipe@gmail.com | (408) 444 2696 | Other | San Jose · Santa Clara County | — | — |
| Glamour Tree INC | Carlos Alberto Palomino | — | (408) 629 8260 | Tree | San Jose · Santa Clara County | — | — |
| Glass 4 Less | Glass 4 Less | info@glassless.com | (408) 229 8989 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Glass Concepts By Cline INC | Jeffrey Paul Cline | — | (408) 776 7744 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Glassworx INC | Andrew Thomas Stewart | — | (408) 674 9950 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Gld Green Energy | Long Van Phuong | kelvin.hong@gldgreenenergy.com | (408) 368 5925 | HVAC | San Jose · Santa Clara County | — | — |
| Glen Sandoval | Glen Sandoval | — | (408) 307 3290 | Other | Morgan Hill · Santa Clara County | — | — |
| Glenngarry Construction INC | Warren Patrick Baker | — | (866) 615 8545 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Global Construction Services INC | Zhou Jian | — | (408) 645 4986 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Global Heating And Cooling Services INC | Giovanni Battista Piazza | — | (408) 896 3744 | HVAC | Milpitas · Santa Clara County | — | — |
| Global Steel Fabricators INC | Tomas Francl | — | (650) 321 9533 | Other | East Palo Alto · Santa Clara County | — | — |
| Global Tech Electric | Richard Dean Lovely | — | (408) 545 8721 | Electricians | San Jose · Santa Clara County | — | — |
| Globus Builder INC | Manashe Leibovitz | — | (818) 760 7100 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Gloss Home INC | Pavel Makeyeu | — | (650) 733 3477 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gls Construction | William Kurt Jr Schweitzer | — | (408) 859 4769 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gm Builders INC | Vuong Minh Nguyen | — | (408) 595 1865 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gm Construction And Maintenance INC | Juan Manuel Mejia Garcia | — | (408) 306 1534 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gm Landscaping | Gm Landscaping | gjm1967@gm-landscapng.com | (408) 992 5521 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Gmcc Construction And Development INC | Richard Anthony Bourque | — | (408) 613 0624 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Gme Electric | Gerardo Nicolas Mendoza Cordero | — | (408) 509 2926 | Electricians | San Jose · Santa Clara County | — | — |
| Gmsphere Air | Gmsphere Air | — | (408) 364 5927 | HVAC | Morgan Hill · Santa Clara County | — | — |