| Advance Windows & Doors | Yolanda Garcia Romero | — | (909) 444 2000 | Other | Walnut · Los Angeles County | — | — |
| Advanced - Cooling - System | Advanced - Cooling - System | — | (951) 375 8438 | HVAC | Escondido · San Diego County | — | — |
| Advanced 03 Technologies | Advanced 03 Technologies | — | (916) 348 0288 | Other | Sacramento · Sacramento County | — | — |
| Advanced A / C & Heating INC | Serjik Richard Khechumyan | — | (818) 549 0051 | HVAC | Glendale · Los Angeles County | — | — |
| Advanced Access Controls INC | Daniel Louis Erickson | — | (818) 986 5383 | Other | Van Nuys · Los Angeles County | — | — |
| Advanced Acoustic Contractors INC | Gregory Allan Rogers | — | (858) 452 2092 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Advanced Additions INC | Julie Chacon-Gomez | micah@micahrich.com | (619) 479 9948 | GC, remodel, ADU | Bonita · San Diego County | — | — |
| Advanced Air | Advanced Air | — | (559) 731 7344 | HVAC | Visalia · Tulare County | — | — |
| Advanced Air & Heating | Advanced Air & Heating | — | (805) 272-0677 | HVAC | Santa Barbara · Santa Barbara County | — | — |
| Advanced Air & Mechanical HVAC | Pedro Hernandez Escareno | — | (213) 500 2172 | HVAC | North Hollywood · Los Angeles County | — | — |
| Advanced Air & Vacuum INC | Joseph James Jr Vanderbilt | troy@advancedairvac.com | (619) 562 3373 | HVAC | El Cajon · San Diego County | — | — |
| Advanced Air Cleaning INC | Richard Arthur Palacios | support@okawarisushi.com | (909) 727 7201 | Other | Alta Loma · San Bernardino County | — | — |
| Advanced Air Control INC | Chepilev Alex | — | (818) 304 4926 | HVAC | Valley Village · Los Angeles County | — | — |
| Advanced Air INC | David William Tucker | — | (831) 384 1988 | HVAC | Marina · Monterey County | — | — |
| Advanced Air Leak Detection Services INC | James Jordan Morgan | — | (925) 667 1155 | Other | Livermore · Alameda County | — | — |
| Advanced Air Systems | Advanced Air Systems | — | (818) 577 5195 | HVAC | Simi Valley · Ventura County | — | — |
| Advanced Air Systems | Advanced Air Systems | — | (818) 231 2861 | HVAC | Reseda · Los Angeles County | — | — |
| Advanced Aire Flow INC | Rolando Gabriel Juarez | — | (805) 760 4840 | HVAC | Fillmore · Ventura County | — | — |
| Advanced Aire Movement | Advanced Aire Movement | — | (562) 402 8509 | HVAC | Hawaiian Gardens · Los Angeles County | — | — |
| Advanced Alarm & Fire INC | Edward Gerard Corpus | — | (562) 944 2356 | Electricians | Santa Fe Springs · Los Angeles County | — | — |
| Advanced Alarms INC | Michael Josef Hahn | — | (909) 762 0555 | Electricians | Yucaipa · San Bernardino County | — | — |
| Advanced Alarms Plus | Advanced Alarms Plus | — | (951) 315 4441 | Electricians | Riverside · Riverside County | — | — |
| Advanced Alternative Energy Solutions INC | Rikizo Ronald Turley | — | (707) 789 9537 | Other | Petaluma · Sonoma County | — | — |
| Advanced Aluminum Awning Co | Victor Emanuel Iv Anderson | — | (626) 333 5553 | GC, remodel, ADU | Walnut · Los Angeles County | — | — |
| Advanced Aquatic Technology INC | David Edward Morris | — | (714) 279 8940 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Advanced Asphalt | Advanced Asphalt | — | (951) 452 7155 | Other | Perris · Riverside County | — | — |
| Advanced Asphalt | Jerry Todd Bellon | — | (530) 582 0800 | Other | Truckee · Nevada County | — | — |
| Advanced Attic Solutions | Erik Ronald Haroldsen | — | (818) 587 5707 | Other roofers | Chatsworth · Los Angeles County | — | — |
| Advanced Audio & Video | Advanced Audio & Video | interested@domainmarket.com | (805) 455 0418 | Other | Ventura · Ventura County | — | — |
| Advanced Auto Door | Advanced Auto Door | — | (909) 242 1253 | Electricians | Pomona · Los Angeles County | — | — |
| Advanced Automatic Gates | Advanced Automatic Gates | — | (650) 594 4814 | Other | Belmont · San Mateo County | — | — |
| Advanced Automatic Sprinkler INC | Frederick Joseph Iii Benn | — | (925) 552 5870 | Other | San Ramon · Contra Costa County | — | — |
| Advanced Awareness Surveillance Systems | Advanced Awareness Surveillance Systems | — | (831) 332 7757 | Other | Boulder Creek · Santa Cruz County | — | — |
| Advanced B C INC | Navid Yahoodain | — | (818) 757 1818 | GC, remodel, ADU | Tarzana · Los Angeles County | — | — |
| Advanced Blind & Shade INC | Todd John Rybczyk | — | (831) 479 1109 | Other | Soquel · Santa Cruz County | — | — |
| Advanced Builders | Advanced Builders | interested@domainmarket.com | (714) 543 6900 | GC, remodel, ADU | Laguna Niguel · Orange County | — | — |
| Advanced Builders And Contractors | Omri Zecharia | — | (818) 708 8477 | GC, remodel, ADU | Reseda · Los Angeles County | — | — |
| Advanced Builders INC | James Frank Schiermeyer | interested@domainmarket.com | (949) 868 1158 | GC, remodel, ADU | Dana Point · Orange County | — | — |
| Advanced Builders LLC | Estevan Edgar Torres | interested@domainmarket.com | (707) 330 5053 | GC, remodel, ADU | Suisun City · Solano County | — | — |
| Advanced Building And Construction INC | Shiva Moradfar | interested@domainmarket.com | (858) 575 7863 | GC, remodel, ADU | San Diego · San Diego County | — | — |