| Tomahawk Floor Coverings | Daniel Preston Ortman | — | (805) 340 3344 | Other | Ventura · Ventura County | — | — |
| Tomczak Development | Tomczak Development | — | (805) 558 2946 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Tony Carlos Construction INC | Tony Joseph Carlos | — | (805) 649 2300 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Tony Pro Remodeling | Tony Pro Remodeling | — | (424) 425 4341 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Tony Pulido General Contractor | Tony Pulido General Contractor | — | (805) 797 1841 | Electricians | Santa Paula · Ventura County | — | — |
| Tony Vacca Construction INC | Anthony Joseph Vacca | — | (805) 640 2410 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Tony Younan | Tony Younan | — | (805) 231 7067 | Other | Westlake Village · Ventura County | — | — |
| Tony's Plastering Construction | Antonio Magana Rodriguez | — | (805) 604 4801 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Tony's Roofing | Angeles Felipe | — | (805) 890 9294 | Other roofers | Oxnard · Ventura County | — | — |
| Top Armor Roofing INC | John Christian Condon | sales@toparmorroofing.com | (805) 492 9036 | Other roofers | Westlake Village · Ventura County | — | — |
| Top Choice Plumbing INC | Antonio Delgado Chavez | office@topchoiceplumbing.com | (805) 302 8218 | Other | Oxnard · Ventura County | — | — |
| Top Class Painting INC | Noe Chavez | — | (805) 302 4433 | Windows, patio, painters | Camarillo · Ventura County | — | — |
| Top Coat Construction DBA Top Coat Drywall | Top Coat Drywall | — | (805) 889 7476 | Other | Oxnard · Ventura County | — | — |
| Top General Builders | Daoud Majid | topgeneralbuilder@gmail.com | (818) 620 9682 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Top Gun Builders INC | David John Meisch | — | (805) 302 3460 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Top Notch Painting | Top Notch Painting | — | (805) 800 8355 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Top Painter | Top Painter | — | (323) 503 6252 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Top Quality Painting INC | Zamarripa Jose Flores | — | (805) 248 5303 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Top Quality Pool & Spa Service | Noe Obdulio Cordova | — | (818) 554 4766 | Pool | Simi Valley · Ventura County | — | — |
| Top Shelf Heating & Air INC | Thomas Brock Cushman | — | (805) 322 0004 | HVAC | Moorpark · Ventura County | — | — |
| Top Tier Painting INC | Jorge Antonio Galarza | toptierpaintinginc@gmail.com | (805) 832 8302 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Top Tier Tile | Top Tier Tile | — | (805) 620 8878 | Other | Ventura · Ventura County | — | — |
| Top Wire Electric | Raul Daniel Espinoza | — | (805) 718 0704 | Electricians | Oxnard · Ventura County | — | — |
| Topa Topa Landscape LLC | Cedillo Medina Francisco | — | (805) 270 2432 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Topatopa General Construction INC | Ochoa Langarica Gerardo | — | (805) 248 3386 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Topshelf Builders LLC | Jason Lee Soltys | — | (818) 277 3709 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Topx Construction INC | Xylina Tender Baldwin | admin@topxconstruction.com | (951) 452 8504 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Toro Enterprises INC | Carlo Gilbert Diaz | — | (805) 483 4515 | Other | Oxnard · Ventura County | — | — |
| Torre Tile | Torre Tile | — | (805) 498 5935 | Other | Newbury Park · Ventura County | — | — |
| Torres General Construction | Cuamatzi Erik Torres | kndpro805@gmail.com | (805) 444 3031 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Torres Landscape Service | Ramiro G Torres | — | (805) 351 5866 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Tortuga Construction Solutions | Aurelio Morales | — | (661) 388 1200 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Total Barricade Service INC | Jamie Cherie Becerril | — | (805) 485 0345 | Other | Oxnard · Ventura County | — | — |
| Total Comfort Systems HVAC INC | Kevin Matthew Cosgrove | — | (805) 499 3160 | HVAC | Thousand Oaks · Ventura County | — | — |
| Total Openings INC | Wayne Lyle Anderson | — | (805) 233 7006 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Total Restoration LLC DBA Total Restoration And Construction | Christopher Kirk Prouse | chris@totalrestoration.org | (805) 410 4999 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Total Service Wallcovering | Shannon Mark Andresen | info@totalservicewallcovering.com | (805) 231 4662 | Other | Moorpark · Ventura County | — | — |
| Touch Of Color Painting | Touch Of Color Painting | — | (805) 421 6778 | Windows, patio, painters | Fillmore · Ventura County | — | — |
| Tovias Landscape | Tovias Landscape | — | (805) 299 6306 | Windows, patio, painters | Santa Paula · Ventura County | — | — |
| Towers Construction | Torres Sanchez Javier | — | (805) 836 5795 | GC, remodel, ADU | Ojai · Ventura County | — | — |