| 1st Choice Pool & Spa Solutions | Castillo Ruiz David | — | (949) 355 9396 | Pool | Lake Forest · Orange County | — | — |
| A & A Pool Services | Kim Dong Bok | — | (714) 351 0532 | Pool | Buena Park · Orange County | — | — |
| Aaa Pools & Water Management Co | Phyllis Anita Phelps | — | (949) 348 2202 | Pool | Mission Viejo · Orange County | — | — |
| Absolute Pool Care | Kevin Tyler Mccarthy | — | (949) 836 5620 | Pool | Santa Ana · Orange County | — | — |
| Ace Pool Repair & Replaster | Alec Cameron Davis | — | (909) 577 5274 | Pool | Brea · Orange County | — | — |
| Ace Swimming Pool Maintenance | Sung Baek Kim | — | (714) 345 5516 | Pool | Garden Grove · Orange County | — | — |
| Adams Brothers Pool Plastering INC | Kevin Lee Adams | — | (562) 867 7283 | Pool | Garden Grove · Orange County | — | — |
| Affordable Pool Service | Grant Jeffrey Hucko | — | (562) 947 5998 | Pool | La Habra · Orange County | — | — |
| Alcaraz Custom Concrete | Joseph Roman Alcaraz Quintana | — | (714) 353 7947 | Pool | Anaheim · Orange County | — | — |
| Alderete Pools Inc. | Alderete Pools Inc. | — | (800) 492-7289 | Pool | San Clemente · Orange County | — | — |
| Alex's Pool & Spa Service | Alexander Scott Calkins | — | (714) 227 5863 | Pool | Garden Grove · Orange County | — | — |
| Alfonso Gomez | Alfonso Gomez | — | (562) 477 9619 | Pool | Anaheim · Orange County | — | — |
| Algorri Pools | Algorri Pools | — | (562) 305 9788 | Pool | Buena Park · Orange County | — | — |
| All Star Pool & Spa Services | Dawn Marie Rowe | — | (714) 536 5866 | Pool | Huntington Beach · Orange County | — | — |
| All-star Pool Service INC | Dean Charles Becker | — | (949) 222 2425 | Pool | Santa Ana · Orange County | — | — |
| Aloha Pool & Design INC | Mark Thomas Klingsporn | — | (951) 453 9728 | Pool | Corona Del Mar · Orange County | — | — |
| Alpha Pool & Spa Services | Armin Karl Lotz | — | (714) 366 5625 | Pool | Garden Grove · Orange County | — | — |
| Amazing Pools & Spas INC | Ray Eben Hollenbeck | — | (714) 717 7932 | Pool | Cypress · Orange County | — | — |
| American Leak Detection #0108 | American Leak Detection #0108 | — | (714) 836 8477 | Pool | Anaheim · Orange County | — | — |
| American Pool & Spa Repair | American Pool & Spa Repair | — | (949) 367 6664 | Pool | Mission Viejo · Orange County | — | — |
| American Swimming Pool | American Swimming Pool | — | (714) 388 4324 | Pool | Anaheim · Orange County | — | — |
| Andy's Pools INC | Andy Garcia | — | (714) 396 7929 | Pool | Orange · Orange County | — | — |
| Angel's Pools INC | Jose Angel Cruz | — | (714) 520 0004 | Pool | Anaheim · Orange County | — | — |
| Angeles Pool Plastering INC | Antonio Angeles Perez | — | (714) 296 6807 | Pool | Orange · Orange County | — | — |
| Anthony Pools And Spas | Anthony Pools And Spas | — | (714) 443 9630 | Pool | Buena Park · Orange County | — | — |
| Applied Vinyl Tech INC | Troy Lance Harris | — | (949) 650 1969 | Pool | Newport Beach · Orange County | — | — |
| Aqua Pacific Pool Service & Repair INC | Jeffrey Michael Mckahan | — | (714) 497 5055 | Pool | Irvine · Orange County | — | — |
| Aqua Pool Pros INC | Saavedra Jesus Torres | — | (800) 836 5303 | Pool | Orange · Orange County | — | — |
| Aqua Pure Pool & Spa Service | Steven David Kile | — | (714) 390 6924 | Pool | Fullerton · Orange County | — | — |
| Aqua Scapes Pools & Spas INC | Gordon Kent Sipes | — | (949) 448 7665 | Pool | San Clemente · Orange County | — | — |
| Aqua Star Pool And Spa Service & Repair | Christopher Patrick Dienst | — | (949) 395 7942 | Pool | Trabuco Canyon · Orange County | — | — |
| Aqua System Pools Service | Robert Allen Fritsche | — | (949) 933 7695 | Pool | Newport Beach · Orange County | — | — |
| Aqua Wright Pool Maintenance Repair | Aqua Wright Pool Maintenance Repair | — | (714) 612 7821 | Pool | Huntington Beach · Orange County | — | — |
| Aqua-tek Pool Services | Kristen Hilmar Heftved | — | (714) 241 1315 | Pool | Santa Ana · Orange County | — | — |
| Aquacare Pool Services INC | Matthew Thomas Wright | — | (949) 239 7665 | Pool | Foothill Ranch · Orange County | — | — |
| Aquadog Pool Care | Aquadog Pool Care | — | (949) 633 9909 | Pool | Mission Viejo · Orange County | — | — |
| Aqualine Pool Care INC | Kenneth Austin Shelton | — | (714) 800 9988 | Pool | Huntington Beach · Orange County | — | — |
| Aqualine Pool Service INC | Scott Thomas Kather | — | (714) 742 9597 | Pool | Rancho Santa Margarita · Orange County | — | — |
| Aquarius Pool Service INC | David Ross Covina | — | (949) 547 4970 | Pool | Newport Beach · Orange County | — | — |
| Aquatic Balance INC | Jeffrey Charles Theders | — | (714) 435 9080 | Pool | Santa Ana · Orange County | — | — |