| 805 Custom Pools And Spas | 805 Custom Pools And Spas | — | (805) 798 7507 | Pool | Ventura · Ventura County | — | — |
| A1 Pool Solutions | Steven Robert Levine | — | (805) 775 7438 | Pool | Port Hueneme · Ventura County | — | — |
| A2z Pools | A2z Pools | zach@a2zswim.com | (805) 297 0684 | Pool | Simi Valley · Ventura County | — | — |
| Aaron's Pool Service And Construction Incorporated DBA Aaron's | Aaron Michael Nygaard | — | (805) 207 5998 | Pool | Simi Valley · Ventura County | — | — |
| Absolute Pools Resurfacing INC | Absolute Pools Resurfacing INC | — | (805) 824-1215 | Pool | Oxnard · Ventura County | — | — |
| Advanced Pool & Spa Service INC | Nicholas Joseph Cirocco | — | (805) 750 8013 | Pool | Simi Valley · Ventura County | — | — |
| All About Pools Service And Repair INC | Christopher Scott Ferguson | — | (805) 526 5006 | Pool | Simi Valley · Ventura County | — | — |
| All American Pool / Spa | All American Pool / Spa | allamericanpoolspa@yahoo.com | (805) 390 5333 | Pool | Simi Valley · Ventura County | — | — |
| All Pro Pool & Spa | All Pro Pool & Spa | — | (805) 498 4888 | Pool | Westlake Village · Ventura County | — | — |
| All Seasons Pool Care | All Seasons Pool Care | — | (805) 570 4968 | Pool | Oxnard · Ventura County | — | — |
| Aloha Pools & Spa | Aloha Pools & Spa | — | (805) 701-4550 | Pool | Ventura · Ventura County | — | — |
| Anacapa Pools | Anacapa Pools | — | (805) 651-0337 | Pool | Ventura · Ventura County | — | — |
| Anderson & Sons Pools INC | Sandra Louise Anderson | — | (805) 492 3783 | Pool | Simi Valley · Ventura County | — | — |
| Anderson Pool Service | Glenn James Anderson | — | (805) 497 2314 | Pool | Newbury Park · Ventura County | — | — |
| Aqua - Leisure Services | James Morris Daniels | — | (805) 241 3186 | Pool | Thousand Oaks · 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 | — | — |
| Aquastar Pool Products | Aquastar Pool Products | — | (877) 768-2717 | Pool | Ventura · Ventura County | — | — |
| Aquastructure | Erik William Thiele | — | (818) 535 5840 | Pool | Moorpark · Ventura County | — | — |
| Aquazur INC | Mas Gianni Dal | — | (310) 795 9593 | Pool | Camarillo · Ventura County | — | — |
| Archer Pool Care And Repair | Archer Pool Care And Repair | — | (805) 320 4547 | Pool | Ventura · Ventura County | — | — |
| Arrow Pool And Spa Repair | Arrow Pool And Spa Repair | — | (805) 985 5998 | Pool | Port Hueneme · Ventura County | — | — |
| Avanti Pools INC | Bernard Lloyd Zimring | — | (818) 501 3759 | Pool | Westlake Village · Ventura County | — | — |
| Azure Kai Pools INC | John Edward Crystal | — | (310) 261 9050 | Pool | Ventura · Ventura County | — | — |
| B & L Black INC | Brian Laurence Black | — | (805) 493 1920 | Pool | Newbury Park · Ventura County | — | — |
| Bakersfield Pool Doctor | Bakersfield Pool Doctor | sinsith@aol.com | (661) 900 6061 | Pool | Ventura · Ventura County | — | — |
| Beachside Pool & Spa Service | Jose Alexander Mendoza | — | (820) 203 9690 | Pool | Port Hueneme · Ventura County | — | — |
| Bill Brown Pool Service | William Thomas Brown | — | (818) 891 6308 | Pool | Simi Valley · Ventura County | — | — |
| Bill Gearhart Pool Service | William Earl Gearhart | — | (805) 231 5741 | Pool | Simi Valley · Ventura County | — | — |
| Bill's Pool Services | Bill's Pool Services | — | (805) 643-0266 | Pool | Ventura · Ventura County | — | — |
| Blair's Pool & Spas INC | Ronald Lavoy Blair | — | (805) 746 4700 | Pool | Santa Paula · Ventura County | — | — |
| Blair's Pools And Spas | Blair's Pools And Spas | — | (805) 746 4700 | Pool | Santa Paula · Ventura County | — | — |
| Blue Anchor Pool Service | Lemus Rene | info@blueanchorpoolservice.com | (805) 990 0367 | Pool | Moorpark · Ventura County | — | — |
| Blue Diamond Pool Service | Brian Gallagher Sheppard | — | (805) 896 6803 | Pool | Newbury Park · Ventura County | — | — |
| Blue Line Pool Services | Lemus Otilio | — | (805) 750 1381 | Pool | Moorpark · Ventura County | — | — |
| Blue Pacific Pool & Spa Maintenance & Repairs | Eric Travis Hooker | — | (805) 367 6508 | Pool | Newbury Park · Ventura County | — | — |
| Brett Wright Swimming Pools | Brett Wright Swimming Pools | — | (818) 878 0387 | Pool | Westlake Village · Ventura County | — | — |
| C And R Pools Service & Repair | Carlo Robert Smith | — | (805) 276 6324 | Pool | Simi Valley · Ventura County | — | — |
| California Pool Service Specialists | Elise Merrick | — | (818) 522 1923 | Pool | Simi Valley · Ventura County | — | — |