| 3ds Marble & Tile INC | Edvin Antonio Chacon Alvarez | — | (323) 719 5727 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| 4 Seasons Remodeling & Design INC | Amit Jacob Harel | — | (818) 516 7725 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| 4-u Construction INC | William Dean Slack | — | (323) 422 0643 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| 805 Custom Builders INC | Roberto Camacho | — | (805) 796 3635 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| 805 Flooring Baths & Kitchens | 805 Flooring Baths & Kitchens | — | (805) 946 3949 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| 805 Property Restoration LLC | George Laszlo Barany | — | (805) 360 4046 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| 805 Tile Guys | 805 Tile Guys | — | (805) 766 6328 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| 805 Tops Builders INC DBA 805 Tops Drywall And Concrete | Jose Tapia | — | (805) 432 2790 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| 911 Restoration Of Southeast Los Angeles | Anoeil Danous | — | (818) 554 5871 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| A & G General Contractor INC | Luis Enrique Salazar | — | (805) 336 1602 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| A & I Enterprises INC | Placida Cruz Miller | — | (818) 635 7533 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| A & J Home Remodeling LLC | Aaron Mattias Dieckmann | — | (425) 409 8163 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| A & K Construction LLC | Antzoulatos Chris | — | (818) 262 9254 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| A - 1 American Construction Services INC | Rene Robert Dominguez | — | (818) 577 5201 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| A A A Development INC | Michael Brent Hansen | — | (805) 482 7191 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| A B C Builds INC | Alfred Joseph Borkowski | — | (805) 276 2769 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| A B I | A B I | — | (818) 822 3884 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| A Cut Above Woodworks INC | Thomas Francis Drobitsch | — | (805) 552 4169 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| A D K Construction INC | Stephen Glenn Adkison | — | (661) 212 4353 | GC, remodel, ADU | Port Hueneme · Ventura County | — | — |
| A J Freid General Contractor | A J Freid General Contractor | — | (805) 807 5361 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| A L Construction | Arturo Ramirez Lopez | — | (805) 797 7422 | GC, remodel, ADU | Fillmore · Ventura County | — | — |
| A M Contracting | Mozaffarian Arya | — | (805) 856 8569 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| A R Construction | Armando Renteria | — | (805) 760 0324 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| A R I Restore INC | Neli Malenkovic | — | (818) 790 1500 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| A Scott Birdsall Construction Co | Andrew Scott Birdsall | — | (805) 857 2746 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| A T M Construction | Timothy Michael Murphy | — | (805) 300 5776 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| A-1 Construction | John Edward Lindsay | — | (805) 525 6400 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| A1 Flooring | Foumani Maskan Mahchid Ansary | — | (818) 668 7419 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Aaa Interiors | Aaa Interiors | info@aaainteriors.com | (805) 487 7709 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Aaa Services | Frank Lloyd Younce | — | (805) 746 1525 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Aaron L Holloway Construction | Aaron Larson Holloway | — | (805) 701 6908 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Abba And Sons Construction Co | Mary Baez Garcia | — | (909) 614 3380 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Abee Construction | Robert Lee Jr Abee | — | (805) 340 6829 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Abm Construction | Jorge Armando Vega Velasquez | — | (805) 813 5439 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Abraham Building & Consulting INC | Ran Omry Avraham | — | (818) 590 5999 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Acore - Amacs | Gabriel Edward Gomez | — | (805) 833 8011 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Acp Construction INC | Andrew Charles Paiva | — | (805) 791 0285 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Acres Home Repairs | Acres Home Repairs | — | (805) 253 8428 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Action Construction Services | Marius Lance Antaky | — | (805) 258 6760 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Action General Construction Services | David Ray Benyshek | — | (818) 266 0950 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |