| Aaa Wiring & Electrical | Benjamin Jeffery Day | team@latofonts.com | (619) 200 5582 | Electricians | San Diego · San Diego County | — | — |
| Aaa Woodcrafters INC | Keith Andrew | shop@aaawoodcrafters.com | (760) 419 5132 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Aaa/goforth Plumbing & Drain | Aaa/goforth Plumbing & Drain | — | (760) 789 3541 | Other | Ramona · San Diego County | — | — |
| Aaa1 Rooting And Services | Vardges Johnny Gazazyan | — | (213) 526 5775 | Other | Van Nuys · Los Angeles County | — | — |
| Aaaa Engineering Contracting INC | Jesse Duane Arthurs | — | (805) 952 3995 | Other | Templeton · San Luis Obispo County | — | — |
| Aaaa General Engineering INC | Weston Tyler Arthurs | — | (805) 591 9913 | Other | Atascadero · San Luis Obispo County | — | — |
| Aaaa Generator Services INC | Michael Bernard Chiasson | — | (888) 664 2436 | Electricians | Hayward · Alameda County | — | — |
| Aaaa Quality Garage Door Co | Ted Darren Hodges | — | (925) 625 2098 | Other | Oakley · Contra Costa County | — | — |
| Aaaag Electrical INC | Gevorg Demrtshyan | — | (818) 646-7682 | Electricians | North Hollywood · Los Angeles County | — | — |
| Aaadvantage Construction Co | Steven Robert Nieri | — | (714) 719 3765 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Aaaffordable M H Construction INC | Sean Michael Feeney | — | (760) 471 1212 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Aaak Electric | Afshari Kourosh | — | (818) 522 4704 | Electricians | Woodland Hills · Los Angeles County | — | — |
| Aabby Plumbing INC | Jorge Manuel Serrano | — | (818) 247 2323 | Other | Glendale · Los Angeles County | — | — |
| Aabco Electric | Tony Dutra Silveira | — | (209) 606 8337 | Electricians | Turlock · Stanislaus County | — | — |
| Aabco Plumbing | Aabco Plumbing | — | (714) 307 9438 | Other | Anaheim · Orange County | — | — |
| Aac Builders INC | Alex Joalmo Castillo | — | (661) 547 0118 | GC, remodel, ADU | Palmdale · Los Angeles County | — | — |
| Aac Glass INC | Ali Missaghi | — | (510) 431 3303 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Aac Hardwood Flooring | Aac Hardwood Flooring | — | (714) 425 0466 | Other | Tustin · Orange County | — | — |
| Aac Heating And Air INC | Angel Ismael Escobedo Guillen | — | (714) 878 9061 | HVAC | Garden Grove · Orange County | — | — |
| Aac Painters INC | Jaime Alejandro Delgadillo | — | (209) 485 5103 | Windows, patio, painters | Patterson · Stanislaus County | — | — |
| Aac Painting INC | Alfonso Eudaldo Cha | — | (619) 348 8102 | Windows, patio, painters | Chula Vista · San Diego County | — | — |
| Aac Remodeling & Construction | Alex John Marlowe | — | (818) 454 3350 | GC, remodel, ADU | Woodland Hills · Los Angeles County | — | — |
| Aace's Heating Air Conditioning & Swamp Coolers | Alfred Dale Jr Glover | — | (800) 535 8071 | HVAC | Oak Hills · San Bernardino County | — | — |
| Aaces Heating Air Conditioning And Swamp Coolers | Frank Pulido | — | (800) 535 8071 | HVAC | Oak Hills · San Bernardino County | — | — |
| Aaction Builders Of San Diego | Aaction Builders Of San Diego | gove@san.rr.com | (858) 336-6929 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Aaction Pools | Aaction Pools | — | (909) 486 6102 | Pool | Fontana · San Bernardino County | — | — |
| Aaction Re - Bar Co | Todd Christopher Starkey | — | (909) 815 4491 | Other | Bloomington · San Bernardino County | — | — |
| Aadar Plumbing And Renovation INC | Paramvir Singh | — | (562) 939 2266 | Other | Los Angeles · Los Angeles County | — | — |
| Aae Services Incorporated | Manuel Flores Jr Acevedo | — | (626) 255 6271 | Electricians | Monrovia · Los Angeles County | — | — |
| Aaero Heating & Sheet Metal INC | Virginia Ann Milano | — | (415) 897 4187 | HVAC | Novato · Marin County | — | — |
| Aaf Painting INC | Martinez Fernando Rivera | — | (714) 718 6536 | Windows, patio, painters | Garden Grove · Orange County | — | — |
| Aaf Steel Structural | Luz Marina Agreda | — | (949) 279 1155 | Other | Mission Viejo · Orange County | — | — |
| Aafb Blasting | Mark Faucett | — | (805) 750 4080 | Other | San Clemente · Orange County | — | — |
| Aafsi | Michael Nathan D'orazio | — | (619) 562 3010 | Other | Santee · San Diego County | — | — |
| Aag Construction | Achim Alois Groess | — | (925) 939 7453 | GC, remodel, ADU | Pleasant Hill · Contra Costa County | — | — |
| Aag Construction INC | Glenn Emmett Templeton | — | (916) 416 1516 | GC, remodel, ADU | Gardena · Los Angeles County | — | — |
| Aag Pump Services | Armando Arevalo Gonzalez | — | (909) 938 0689 | Other | Ontario · San Bernardino County | — | — |
| Aahi INC | Daniel Deeb Jaoudi | — | (858) 999 2208 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Aahsome Tile | Aahsome Tile | — | (661) 916 6281 | Other | Valencia · Los Angeles County | — | — |
| Aair Tech Refrigeration & A / C INC | Yousif Steve | — | (619) 250 2326 | HVAC | La Mesa · San Diego County | — | — |