| G's Mechanical | G's Mechanical | — | (209) 499 0710 | HVAC | Patterson · Stanislaus County | — | — |
| Ga Construction | Alvarez Gabriel | — | (209) 985 6510 | GC, remodel, ADU | Waterford · Stanislaus County | — | — |
| Galduroz Construction | Manuel Ramirez Galduroz | — | (209) 840 3822 | GC, remodel, ADU | Oakdale · Stanislaus County | — | — |
| Gallardo Flooring | Gallardo Flooring | — | (209) 968 3364 | Other | Salida · Stanislaus County | — | — |
| Gallo Pools | Gallo Pools | — | (209) 534 6495 | Pool | Turlock · Stanislaus County | — | — |
| Galvan Plumbing INC | Juan Jr Galvan | — | (209) 356 8704 | Other | Oakdale · Stanislaus County | — | — |
| Galvez Electric INC | Galvez Andres | — | (510) 750 9193 | Electricians | Modesto · Stanislaus County | — | — |
| Gamez Building & Electric | Fernando Armando Gamez | — | (209) 968 8788 | Electricians | Oakdale · Stanislaus County | — | — |
| Garage Force Industrial Coatings Of Modesto | Timmothy James Schaldach | — | (209) 812 4000 | Other | Modesto · Stanislaus County | — | — |
| Garage Guy Door Repair & Maintenance INC | Andrew Paul Anglin | — | (209) 735 1495 | Other | Waterford · Stanislaus County | — | — |
| Garcia Madera Construction | Oswaldo Valle Garcia | — | (209) 752 9661 | GC, remodel, ADU | Salida · Stanislaus County | — | — |
| Garcia Plumbing And Drain | Garcia Plumbing And Drain | — | (209) 534 3195 | Other | Oakdale · Stanislaus County | — | — |
| Garcia Septic + Construction INC | Elizabeth Tadeo Garcia | — | (209) 238 3986 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Garcia Striping INC | Garcia Mario | — | (209) 581 2412 | Other | Patterson · Stanislaus County | — | — |
| Garcia's Flooring | Garcia's Flooring | — | (209) 230 4992 | Other | Modesto · Stanislaus County | — | — |
| Garcia's Painting | Garcia's Painting | — | (209) 809 9853 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Garcia's Quality Floors INC | Larry Josue Garcia | — | (209) 968 7289 | Other | Ceres · Stanislaus County | — | — |
| Garden Gate Design | Garden Gate Design | — | (209) 605 1865 | Other | Waterford · Stanislaus County | — | — |
| Gare-bear Landscape / Electrical | Gary Jon Carlucci | — | (209) 602 1899 | Electricians | Modesto · Stanislaus County | — | — |
| Garescape | Miguel Angel Gatica Ortiz | garescape@gmail.com | (408) 630 9963 | Windows, patio, painters | Turlock · Stanislaus County | — | — |
| Garrett & Son Construction Company | Bradley Wayne Garrett | — | (209) 605 5680 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Garrett Construction | James Edward Garrett | info@garrettconstruction.com | (209) 225 5349 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Garrett Lewis Electric | Garrett Allen Lewis | — | (209) 648 3528 | Electricians | Ceres · Stanislaus County | — | — |
| Gary Bellini DBA El Dorado Pool & Spa | El Dorado Pool & Spa | — | (209) 678 2730 | Electricians | Waterford · Stanislaus County | — | — |
| Gary Burton Lewis | Gary Burton Lewis | — | (209) 551 3468 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Gary Dutey Electric | Gary Lee Sr Dutey | — | (209) 620 3706 | Electricians | Denair · Stanislaus County | — | — |
| Gary Dutter Door INC | Gary Allen Dutter | — | (209) 480 0500 | Other | Modesto · Stanislaus County | — | — |
| Gary L Sifers | Gary L Sifers | — | (209) 602 1734 | Electricians | Modesto · Stanislaus County | — | — |
| Gary Tschantz Construction INC | Gary Kent Tschantz | — | (209) 678 2524 | GC, remodel, ADU | Denair · Stanislaus County | — | — |
| Gary's Fencing & Wire Supply INC | Deborah Lynn Gorne | — | (209) 545 3331 | Other | Modesto · Stanislaus County | — | — |
| Gary's Landscaping Service | Gary C Younkin | — | (209) 667 0380 | Windows, patio, painters | Turlock · Stanislaus County | — | — |
| Gary's Well Service | Gary Donald Peugh | — | (559) 707 0816 | Other | Oakdale · Stanislaus County | — | — |
| Garza Custom Painting | Garza Custom Painting | — | (209) 551 3125 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Gazcon Marble & Tile INC | Jose Maria Gazcon Batres | — | (209) 507 4025 | Other | Salida · Stanislaus County | — | — |
| Gb Construction | Barriga Barriga Gustavo | — | (650) 346 6662 | GC, remodel, ADU | Patterson · Stanislaus County | — | — |
| Gbc Builders Group INC | Roberto Cervantes | — | (209) 918 8656 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Gdi | G D I | — | (209) 556 7532 | Other | Ceres · Stanislaus County | — | — |
| Gdm Remodeling | Gdm Remodeling | — | (510) 677 3535 | GC, remodel, ADU | Newman · Stanislaus County | — | — |
| Gem Lawn | Gem Lawn | — | (209) 226 8591 | Windows, patio, painters | Riverbank · Stanislaus County | — | — |
| Genair Heating & Air Conditioning | Genair Heating & Air Conditioning | — | (209) 648 4494 | HVAC | Turlock · Stanislaus County | — | — |