| 365 Pros Pools INC | Fernando Ramirez | — | (661) 313 0870 | Pool | Paramount · Los Angeles County | — | — |
| 3lm Pool And Spa INC | Cruz Lazaro Merino Pioquinto | — | (818) 389 5771 | Pool | Sylmar · Los Angeles County | — | — |
| 457 Pool INC | Bradley Edward Stanley | — | (310) 457 7665 | Pool | Malibu · Los Angeles County | — | — |
| A & A Pool Plastering | Art Romo Valenzuela | — | (562) 942 9791 | Pool | Pico Rivera · Los Angeles County | — | — |
| A & M Pools INC | James Edward Michaud | — | (562) 665 0845 | Pool | La Habra Heights · Los Angeles County | — | — |
| A & R Swimming Pool Co | Soo Il Park | — | (818) 363 1718 | Pool | Granada Hills · Los Angeles County | — | — |
| A B C Pool And Spa Repairs | Dilia Lineth Herrarte | — | (818) 963 8842 | Pool | Canoga Park · Los Angeles County | — | — |
| A M K Pool Maintenance Company | Richard Lee Wolfe | — | (818) 522 5525 | Pool | Studio City · Los Angeles County | — | — |
| A P 1 Leak Detection INC | Joe Luis| Aguilar-saldana Jose L Aguilar | — | (818) 675 2135 | Pool | Canyon Country · Los Angeles County | — | — |
| A To Z Pool Construction & Remodeling | Unanyan Gayk | — | (818) 517 0238 | Pool | Van Nuys · Los Angeles County | — | — |
| Aardvark Pool & Spa Experts | Aardvark Pool & Spa Experts | — | (818) 635 2354 | Pool | Van Nuys · Los Angeles County | — | — |
| AC Pool Services | Mark Patrick Doody | — | (818) 208 0372 | Pool | Van Nuys · Los Angeles County | — | — |
| Accurate Pool Service | Richard Craig Morris | — | (310) 755 5279 | Pool | Torrance · Los Angeles County | — | — |
| Adam Aguirre | Adam Aguirre | — | (562) 676 2747 | Pool | Long Beach · Los Angeles County | — | — |
| Addison Waters INC DBA Addison Pool Waters | Drake Addison Woods | — | (818) 205 9255 | Pool | Valley Village · Los Angeles County | — | — |
| Advanced Pools & Spas INC | Monte Newell Mc Cubbin | — | (818) 352 2995 | Pool | Tujunga · Los Angeles County | — | — |
| Agam Pool And Spa INC | Polad Eyal | — | (818) 915 1919 | Pool | Sherman Oaks · Los Angeles County | — | — |
| Al Miranda Swimming Pool Exc | Al Miranda Swimming Pool Exc | — | (818) 632 6202 | Pool | Reseda · Los Angeles County | — | — |
| Alcazar Custom Pools INC | Salvador Alcazar-Lua | — | (562) 833 5883 | Pool | Hawaiian Gardens · Los Angeles County | — | — |
| Aldcla INC | Richard Scott Ising | — | (818) 446 6651 | Pool | Covina · Los Angeles County | — | — |
| Alex B Pool Service | Cesar Alejandro Bolanos-Mateos | — | (818) 599 9064 | Pool | Santa Clarita · Los Angeles County | — | — |
| All American Pool Service | Christopher Lawrence Jones | — | (661) 264 7527 | Pool | Lancaster · Los Angeles County | — | — |
| All American Pools | All American Pools | — | (818) 442 5451 | Pool | Reseda · Los Angeles County | — | — |
| All County Pools And Spa INC | Nir Zeev Amitai | — | (818) 720 3316 | Pool | Tarzana · Los Angeles County | — | — |
| All Phase Waterworks DBA All Phase Pools | Felipe De Jesus Cortes | — | (818) 667 3011 | Pool | North Hollywood · Los Angeles County | — | — |
| All Seasons Custom Pools | Adam Neil Aguirre | — | (714) 329 3637 | Pool | La Habra Heights · Los Angeles County | — | — |
| All Star Pool Care And Repair | Avner Leichter | — | (562) 556 5269 | Pool | La Mirada · Los Angeles County | — | — |
| All Star Swimming Pool Service | Taehee James Lee | — | (562) 335 3154 | Pool | Cerritos · Los Angeles County | — | — |
| Allen W Logan | Allen W Logan | — | (310) 709 6200 | Pool | Malibu · Los Angeles County | — | — |
| Allmark Pool & Spa Construction | Stephen Mark Biddlecombe | — | (562) 587 1418 | Pool | Whittier · Los Angeles County | — | — |
| Alpha Pool And Spa Repair | Alpha Pool And Spa Repair | — | (626) 922 7125 | Pool | Covina · Los Angeles County | — | — |
| Alrick's Pool & Spa Care INC | Alejandro Ramos | — | (818) 390 4995 | Pool | Newhall · Los Angeles County | — | — |
| Alvarez Pool Plumbing INC | Salvador Andrade Alvarez | — | (818) 581 5568 | Pool | Sylmar · Los Angeles County | — | — |
| Alvarez Pools | Richard Anthony Haro | — | (310) 739 0921 | Pool | Los Angeles · Los Angeles County | — | — |
| Amazing Pools | Amazing Pools | — | (747) 998 6146 | Pool | Sylmar · Los Angeles County | — | — |
| Amazon Pools | Amazon Pools | — | (818) 757 7633 | Pool | Tarzana · Los Angeles County | — | — |
| American Commercial Pools INC | Alphonso Octavio Gil | — | (818) 231 6239 | Pool | Sylmar · Los Angeles County | — | — |
| American Pool Construction INC | Alan Dale Webb | — | (661) 547 4114 | Pool | Palmdale · Los Angeles County | — | — |
| American Pool Plastering | Luis Pierre Marquez | — | (818) 361 6700 | Pool | San Fernando · Los Angeles County | — | — |
| Anc Pool And Spa Solutions | Alejandro Andres Navia | — | (661) 367 4135 | Pool | Santa Clarita · Los Angeles County | — | — |