| Textures By Stone | Josh| Fischer Joshua Daniel Stone | — | (760) 505 8453 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| That's Right Electric INC | Cheri Lee Roberts | — | (619) 559 6442 | Electricians | Simi Valley · Ventura County | — | — |
| Thatcher Construction INC | Cristi Hewitson Thatcher | — | (805) 798 2510 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| The Adjul Corporation DBA Lee Construction Co | Debra Erika Reilly | — | (805) 522 5195 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| The Asphalt Jungle INC | Daniel John Steffen | — | (310) 457 5229 | Other | Thousand Oaks · Ventura County | — | — |
| The Baker Company LLC | Jason Gary Baker | — | (805) 413 5550 | Other | Thousand Oaks · Ventura County | — | — |
| The Build INC | Brian Scott Borchard | — | (805) 320 1936 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| The Cabinet King | Michael Stephen Glucroft | — | (805) 587 8860 | Other | Simi Valley · Ventura County | — | — |
| The Cabinet Man | The Cabinet Man | — | (805) 524 2266 | Other | Fillmore · Ventura County | — | — |
| The Cadden Group Corporation | Thomas John Cadden | — | (818) 317 1056 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| The Carpet Guy | The Carpet Guy | — | (805) 320 6352 | Other | Oak View · Ventura County | — | — |
| The Cleanbuild Design | Aida Marisol Naftel | — | (310) 987 1549 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| The Comfort Heroes INC | Ronald Paul Young | info@comfortheroes.com | (805) 830 5858 | HVAC | Thousand Oaks · Ventura County | — | — |
| The Demolition Co INC | Mark Edmond Shuter | — | (818) 577 6759 | Other | Newbury Park · Ventura County | — | — |
| The Design Of Nature Landscapes | The Design Of Nature Landscapes | — | (805) 218 6965 | Windows, patio, painters | Ventura · Ventura County | — | — |
| The Drain Brain Malibu INC | Jason Ronald Whitney | — | (310) 844 4401 | Other | Ventura · Ventura County | — | — |
| The Drilling Company INC | Jerald Eugene| Curtis Jerry Eugene Curtis | — | (805) 732 5809 | Other | Somis · Ventura County | — | — |
| The E & C Company INC | Bradley Martin Kuric | — | (805) 578 1096 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| The Electical Connection | The Electical Connection | — | (805) 584 9752 | Electricians | Simi Valley · Ventura County | — | — |
| The Electric Company | Bryan Patrick Mc Gennis | — | (805) 433 5280 | Electricians | Newbury Park · Ventura County | — | — |
| The Electric Touch Co | Izhak Arie | — | (818) 509 0000 | Electricians | Newbury Park · Ventura County | — | — |
| The Essential Garden | The Essential Garden | — | (805) 701 6666 | Windows, patio, painters | Ojai · Ventura County | — | — |
| The Everyday Pool Group LLC | Mason Samuel Miller | — | (805) 492 6991 | Pool | Newbury Park · Ventura County | — | — |
| The Final Detail | The Final Detail | — | (310) 991 9841 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| The Fireman Construction INC | Cardenas Carlos Aguilar | — | (661) 312 8323 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| The Fix-it Fox | The Fix-it Fox | — | (805) 991 2652 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| The Galicia Group INC DBA Rooter Solutions | Fernando Galicia | — | (805) 360 3485 | Other | Ventura · Ventura County | — | — |
| The Garage Door Guy | The Garage Door Guy | — | (805) 242 3441 | Other | Camarillo · Ventura County | — | — |
| The Garden Chic Landscaping | The Garden Chic Landscaping | — | (805) 200 9121 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| The Glass Man | The Glass Man | — | (805) 218-4660 | Windows, patio, painters | Ventura · Ventura County | — | — |
| The Golden Hammer | Timothy Bryce Jackson | — | (805) 427 6224 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| The Golden Tree | Goldberg Adi | — | (818) 874 9069 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| The Good Service Company | Stephen John Heery | — | (805) 844 8315 | Electricians | Oxnard · Ventura County | — | — |
| The Green Belt Welding Company | John Paul Cano | — | (805) 421 6253 | Other | Santa Paula · Ventura County | — | — |
| The Gutter Guy | The Gutter Guy | — | (805) 573 5786 | Other | Thousand Oaks · Ventura County | — | — |
| The Hacopian Company DBA United Valley Builders | Andre Hacopian | — | (310) 413 1013 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| The Handyman Can | The Handyman Can | support@handyman.com | (805) 657 0596 | Windows, patio, painters | Ventura · Ventura County | — | — |
| The Helper | The Helper | — | (805) 210 0489 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| The Howard Electric Company | Alan Derek Howard | — | (805) 379 1634 | Electricians | Thousand Oaks · Ventura County | — | — |
| The Iiot Technologies | The Iiot Technologies | — | (925) 785 2450 | Electricians | Westlake Village · Ventura County | — | — |