| Galicia Air Conditioning | Rocha Javier Galicia | — | (805) 205 5359 | HVAC | Oxnard · Ventura County | — | — |
| Gallagher Company | Edward Francis Gallagher | — | (805) 573 5553 | Other | Thousand Oaks · Ventura County | — | — |
| Gallagher Interiors INC | Andrew Ray Kelley | — | (805) 644 7550 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Gallagher's Glass Co | Brian Peter Gallagher | — | (805) 796 2491 | Windows, patio, painters | Newbury Park · Ventura County | — | — |
| Gallegos Custom Tile INC | Jose Manuel Gallegos | — | (818) 671 9427 | Other | Simi Valley · Ventura County | — | — |
| Gallegos Plumbing INC | Mark Thomas Gallegos | — | (805) 750 1830 | Other | Ventura · Ventura County | — | — |
| Gallion Erosion Control INC | John Dee Gallion | — | (805) 647 8077 | Other | Ventura · Ventura County | — | — |
| Galvez Construction INC | Galvez Pablo Espinobarros | — | (805) 770 9264 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Galvin Painting | Galvin Painting | — | (818) 919 0125 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Gambino Landscape Lighting INC | Michael Anthony Gambino | — | (805) 579 9934 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Gamble Gates | Gamble Gates | — | (805) 453 5143 | Other | Oxnard · Ventura County | — | — |
| Gamino's Framing | Leonardo Daniel Gamino Romero | — | (820) 732 6079 | Other | Ventura · Ventura County | — | — |
| Gaona Tile | Gaona Tile | — | (805) 607 8320 | Other | Santa Paula · Ventura County | — | — |
| Garage Floor Concrete Coatings | Guy Lawrence Jr Irvin | — | (805) 820 3536 | Other | Simi Valley · Ventura County | — | — |
| Garage Floor Epoxy | Garage Floor Epoxy | — | (805) 210 6579 | Other | Simi Valley · Ventura County | — | — |
| Garcia's Landscaping | Garcia's Landscaping | — | (818) 310 4263 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Garcia's Legacy Construction | Garcia Larios Humberto | — | (805) 844 0050 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Gardens By Di | Gardens By Di | 777gardensbydi@gmail.com | (805) 432 6284 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Gardner & Sons Roofing INC | Bruce Turner Gardner | — | (805) 901 5365 | Other roofers | Camarillo · Ventura County | — | — |
| Garibay Landscape Garden Design INC | James Ernest Daniell | — | (805) 754 6663 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Garner Electric INC | Christopher Scott Garner | ge@garnerelectric.com | (805) 390 4255 | Electricians | Thousand Oaks · Ventura County | — | — |
| Garnica's Construction INC | Jesus| Garnica Jesse Garnica | — | (805) 482 9200 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Gary A Halpin Contractor | Gary A Halpin Contractor | — | (800) 645 4874 | Electricians | Newbury Park · Ventura County | — | — |
| Gary Girard General Contractor | Gary Girard General Contractor | — | (818) 438 3349 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Gary Mineo Wallcovering | Gary Mineo Wallcovering | — | (805) 732 3864 | Windows, patio, painters | Moorpark · Ventura County | — | — |
| Gary Newton Construction INC | Gary Basil Newton | — | (805) 340 0469 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Gary R Richard DBA G R Plumbing | G R Plumbing | — | (661) 965 9306 | Other | Somis · Ventura County | — | — |
| Gary W Ward | Gary W Ward | — | (805) 921 0822 | Other | Somis · Ventura County | — | — |
| Gary Wige Construction | Gary Lee Wige | — | (805) 551 5007 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Gaspar General Construction | Gaspar Hernandez Francisco | — | (805) 754 0315 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Gaspar's Tree Service | Jesus Gaspar Calderon Mendoza | — | (805) 366 5121 | Tree | Oxnard · Ventura County | — | — |
| Gates & Rodriguez Builders INC | Ronald George Gates | — | (805) 650 3249 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Gates Plumbing INC | Lindsey Ann Gates | — | (805) 201 5733 | Other | Ventura · Ventura County | — | — |
| Gates Roofing | Shane Steven Gates | — | (805) 300 2275 | Other roofers | Ventura · Ventura County | — | — |
| Gates Security | Scott Dimity Wagenseller | alarms@gatessecurity.com | (805) 499 6555 | Electricians | Thousand Oaks · Ventura County | — | — |
| Gaumer Construction Company | Rickey Dean Gaumer | — | (805) 341 6815 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Gc Custom Wallcoverings INC | Glenn Frank Cooper | — | (805) 509 0887 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Gdc Builders | Gilberto Javier Martinez | gil@gdcbuilders.com | (323) 610 5592 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Geminii Services INC | Paul William Tapp | — | (805) 338 9942 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Gene Dickinson Enterprises | Gene Steven| Dickinson Bud Steven Dickinson | — | (805) 340 4858 | HVAC | Santa Paula · Ventura County | — | — |