| Granite Guys Tile & Natural Stone | Aaron Scott Haney | — | (805) 813 2583 | Other | Simi Valley · Ventura County | — | — |
| Granite Peak General Contracting LLC | Michael Konrad Hoolihan | — | (805) 328 0428 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Granite Tops Etc | Granite Tops Etc | — | (805) 340 5628 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Grant General Contracting INC | Robert Bruce Grant | — | (818) 707 4424 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Grant James Walker | Grant James Walker | — | (818) 642 5450 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Grass Properties INC | Patrick Christopher Grass | info@grassproperties.com | (415) 609 8046 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Gray Electric | Joshua Jamie Gray | — | (818) 657 9877 | Electricians | Port Hueneme · Ventura County | — | — |
| Great Pacific Sign Works | Great Pacific Sign Works | — | (805) 373 9822 | Other | Westlake Village · Ventura County | — | — |
| Greatway Roofing INC | Brandon Thomas Menzel | — | (805) 523 2550 | Other roofers | Camarillo · Ventura County | — | — |
| Greding Precision Striping | Gilian Patricia Greding | — | (805) 497 3534 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Green Care | Scott Patrick Taylor | hasnain@greencare.com | (805) 890 4066 | Windows, patio, painters | Camarillo · Ventura County | — | — |
| Green Care Landscape | Green Care Landscape | — | (805) 338 0487 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Green Earth Landscape | Green Earth Landscape | gelandscape@sbcglobal.net | (805) 377 3472 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Green Earth Landscaping | Green Earth Landscaping | — | (805) 341 5671 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Green Globe HVAC INC | Jose Antonio Cerda | — | (805) 889 8927 | HVAC | Camarillo · Ventura County | — | — |
| Green Goddess Gardens INC | Jessica Anne| Thompson-thornton Jessica Anne Thompson | — | (805) 640 1827 | Windows, patio, painters | Oak View · Ventura County | — | — |
| Green House Lawn Care | Green House Lawn Care | — | (805) 200 9301 | GC, remodel, ADU | Port Hueneme · Ventura County | — | — |
| Green Landscaping | Green Landscaping | — | (805) 256 0099 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Green Max Landscape Maintenance And Design | Rivas Norberto | — | (805) 469 5212 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Green Planet Construction & Solutions INC | Quebrado Juan Reynosa | — | (805) 891 6024 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Green Planet Construction And Remodel INC | Moreno Mark | — | (805) 405 2677 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Green Plumbing | Green Plumbing | — | (805) 651 6037 | Other | Santa Paula · Ventura County | — | — |
| Green Rev Energy | Derek Nolan Reitz | — | (805) 206 7424 | Electricians | Ventura · Ventura County | — | — |
| Green Team Landscapers INC | Preciado Daniel | — | (805) 766 2184 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Green West Landscape Construction | Hernandez Bernardo | — | (805) 755 9401 | Windows, patio, painters | Santa Paula · Ventura County | — | — |
| Greencoast Landscapes INC | Juan Diego Perez Delgado | — | (805) 248 5099 | Windows, patio, painters | Somis · Ventura County | — | — |
| Greene & Greene Corporation | Juanita Greene | — | (805) 284 4945 | Other | Ventura · Ventura County | — | — |
| Greenstone Concrete Cutting INC | Jeffery Lee Grizzle | — | (818) 371 2488 | Other | Moorpark · Ventura County | — | — |
| Greg Barnes | Greg Barnes | — | (805) 582 2879 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Greg Meyers Custom Painting | Greg Meyers Custom Painting | — | (805) 795 6708 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Gregory A Shafer | Gregory A Shafer | — | (818) 441 8060 | Other | Simi Valley · Ventura County | — | — |
| Gregory Bair | Gregory Bair | — | (805) 236 6464 | Electricians | Camarillo · Ventura County | — | — |
| Gregory Blair Clark | Gregory Blair Clark | — | (805) 407 4603 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Gregory M Molthu | Gregory M Molthu | — | (805) 248 9569 | Other | Oxnard · Ventura County | — | — |
| Gregory S Smith | Gregory S Smith | — | (818) 970 5568 | Pool | Simi Valley · Ventura County | — | — |
| Grid Audio Video | Grid Audio Video | — | (805) 304 5953 | Other | Moorpark · Ventura County | — | — |
| Griffin Bros Landscape Engineering | Griffin Bros Landscape Engineering | — | (805) 987 8424 | Windows, patio, painters | Camarillo · Ventura County | — | — |
| Griffin Electric | Mitchell Wayne Griffin | service@griffinelectric.com | (805) 376 3009 | Electricians | Newbury Park · Ventura County | — | — |
| Groundbreaking Construction Services | Richard Kendal Johnson | — | (818) 472 0295 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Growe Landscapes | Gabriela Lizeth Maldonado | — | (661) 310 8619 | Windows, patio, painters | Simi Valley · Ventura County | — | — |