| Andy Donald Dodge | Andy Donald Dodge | — | (818) 631 1574 | Electricians | Simi Valley · Ventura County | — | — |
| Andy Lowe Construction | Calvin Andrew Lowe | — | (805) 444 1442 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Ange Construction | Kevin Joseph Ange | — | (805) 496 1197 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Angel De La Cruz Esquivel | Angel De La Cruz Esquivel | — | (805) 732 3800 | Other | Camarillo · Ventura County | — | — |
| Angel Industries Co | Santiago Alejandro Ayala | — | (310) 857 6800 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Angel Rodriguez | Angel Rodriguez | interested@domainmarket.com | (805) 901 2335 | Electricians | Oxnard · Ventura County | — | — |
| Angel's Garden Design | Miguel Angel Altamirano Mendoza | — | (805) 304 6309 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Angel's Touch Painting | Angel's Touch Painting | — | (818) 620 6254 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Angeles Mechanical INC | Brad Bruce Graeff | — | (818) 254 5886 | HVAC | Simi Valley · Ventura County | — | — |
| Angelo Lorenzo | Angelo Lorenzo | — | (805) 581 0268 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Angels Backflow Service INC DBA Backflow Test Installation & | Angel Tarango | — | (805) 910 6479 | Other | Oxnard · Ventura County | — | — |
| Angels Heating And Air | Angels Heating And Air | — | (805) 607 4246 | HVAC | Oxnard · Ventura County | — | — |
| Animal Drain Company | Bryce David Germain | — | (805) 558 7339 | Other | Simi Valley · Ventura County | — | — |
| Anmac Water Treatment Service INC | John Marvin Stanley | — | (805) 340 4237 | Other | Simi Valley · Ventura County | — | — |
| Anna Lisa Luna Construction INC | Anna Lisa Luna | — | (805) 646 4141 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Anselmo Construction | John Vito Anselmo | andrezinholondon@gmail.com | (310) 266 5342 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Ante Sizgoric | Ante Sizgoric | — | (805) 485 2514 | Electricians | Oxnard · Ventura County | — | — |
| Anthony Barragan | Anthony Barragan | — | (805) 276 2983 | Other | Ventura · Ventura County | — | — |
| Anthony D Di Cenzo Construction | Anthony Dominck Dicenzo | — | (805) 630 8912 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Anthony Frank Picciotta | Anthony Frank Picciotta | — | (805) 797 3980 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Anthony John Di Febo Iii | Anthony John Di Febo Iii | — | (805) 432 7560 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Anthony John Rondinella | Anthony John Rondinella | — | (818) 720 0676 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Anthony Lawrence Caven General Contractor | Anthony Lawrence Caven General Contractor | — | (805) 206 1017 | GC, remodel, ADU | Port Hueneme · Ventura County | — | — |
| Anthony R Ford DBA Anthony's Floor Covering | Anthony's Floor Covering | — | (805) 340 2475 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Anthony Salas | Anthony Salas | — | (805) 663 9993 | Other | Oxnard · Ventura County | — | — |
| Antonio Arave Plastering | Antonio Arave Plastering | — | (805) 402 9458 | Other | Simi Valley · Ventura County | — | — |
| Antonio G Benitez | Antonio G Benitez | — | (805) 844 6486 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Ap Finishing INC | Adrian Picazo-Velazquez | — | (805) 433 5218 | Windows, patio, painters | Westlake Village · Ventura County | — | — |
| Ap General Construction Corp | Aaron Purgason | aaronpurgason@yahoo.com | (805) 297 3232 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Ape Electrical Services | George Martin Pedersen | — | (805) 304 4492 | Electricians | Simi Valley · Ventura County | — | — |
| Apex General Contractors INC | Joshua Edward Brink | info@apexgeneralcontractors.com | (805) 643-2121 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Apex Pcs INC | Kyle Michael Phillips | — | (805) 402 8247 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Apollo Glazing Contractors INC | Samuel Williams Ward | — | (805) 522 6300 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Apollo Plumbing | Philip Richard Becerra | — | (805) 799 0709 | Other | Ventura · Ventura County | — | — |
| Appleton Electric | Philip Edward Appleton | — | (805) 261 0482 | Electricians | Simi Valley · Ventura County | — | — |
| Aqua - Leisure Services | James Morris Daniels | — | (805) 241 3186 | Pool | Thousand Oaks · Ventura County | — | — |
| Aqua - Tech Plumbing | Aqua - Tech Plumbing | kp.aquatech@gmail.com | (805) 432 1170 | Other | Simi Valley · Ventura County | — | — |
| Aqua Bella Pool And Spa INC | Michael Jacob I Monise | — | (805) 300 6058 | Pool | Thousand Oaks · Ventura County | — | — |
| Aqua Blue Pools | Aqua Blue Pools | info@aquabluepools.com | (805) 499 0972 | Pool | Newbury Park · Ventura County | — | — |
| Aqua Creations | Eric Everett Jones | — | (805) 672 1695 | Pool | Ventura · Ventura County | — | — |