| Adept Builders & Design INC | Ohayon Lior | — | (800) 611 1776 | GC, remodel, ADU | Sherman Oaks · Los Angeles County | — | — |
| Adept Builders INC | Amit Bustan | — | (818) 535 5294 | GC, remodel, ADU | Encino · Los Angeles County | — | — |
| Adept Building And Construction | Patrick Chraghchian | — | (626) 405 0400 | GC, remodel, ADU | Pasadena · Los Angeles County | — | — |
| Adept Plastering INC | Adan Ramirez | — | (323) 387 5687 | Other | Lynwood · Los Angeles County | — | — |
| Adept Roofing | Bahena Morales Pedro | — | (562) 340 5136 | Other roofers | Long Beach · Los Angeles County | — | — |
| Adh Construction Services | Gagik Militosyan | — | (818) 731 9700 | GC, remodel, ADU | Pasadena · Los Angeles County | — | — |
| Adi Electrical Services | Adi Shmuel | — | (866) 561 7545 | Electricians | Woodland Hills · Los Angeles County | — | — |
| Adi Electrical Services INC | Shmuel Adi | — | (866) 561 7545 | Electricians | Agoura · Los Angeles County | — | — |
| Adi Koreh | Adi Koreh | — | (818) 571 7631 | Other | Acton · Los Angeles County | — | — |
| Adikar Sevan | Adikar Sevan | — | (818) 422 8560 | Electricians | Glendale · Los Angeles County | — | — |
| Aditan INC | Tommer Dan Regev | — | (818) 920 1177 | GC, remodel, ADU | Canoga Park · Los Angeles County | — | — |
| Adivari Incorporated | Joseph Nicolas Adivari | — | (310) 830 2161 | Other | Wilmington · Los Angeles County | — | — |
| Adjustable Closet & Cabinets INC | Rodolfo Arturo Luna | — | (661) 257 3750 | Other | Valencia · Los Angeles County | — | — |
| Adk Construction | Dongyoung Dexter Chang | — | (213) 700 4719 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Adl Construction & Consulting INC | Dadon Adan | — | (818) 264 9692 | GC, remodel, ADU | La Mirada · Los Angeles County | — | — |
| Adl Home Improvement INC | Jesus Saucedo | — | (562) 400 2720 | GC, remodel, ADU | San Pedro · Los Angeles County | — | — |
| Adm Construction | Alessandro David Miano | — | (310) 985 4679 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Admiral Plumbing | Admiral Plumbing | — | (310) 372 8010 | Other | Redondo Beach · Los Angeles County | — | — |
| Admiral Refrigeration INC | Dale Todd Nichols | — | (661) 505 7913 | HVAC | Valencia · Los Angeles County | — | — |
| Admire Roofing | Walter Richard Baum | — | (818) 516 5325 | Other roofers | Canoga Park · Los Angeles County | — | — |
| Adna INC | Rex Gerald Iii Horney | — | (661) 903 2521 | GC, remodel, ADU | Acton · Los Angeles County | — | — |
| Adnan Mohamed Aljojo | Adnan Mohamed Aljojo | — | (323) 633 9494 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Adner INC | Adner Daniel Osorio | — | (818) 534 7611 | Other | Tarzana · Los Angeles County | — | — |
| Ado Builders INC | Irvin Adonay Rodriguez Rosales | — | (562) 846 0653 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Ado Electrical Services | Leo Dan Ordonez-Maldonado | info@adoelectricalservices.com | (323) 500 9026 | Electricians | Baldwin Park · Los Angeles County | — | — |
| Adobe Construction | Pedro Lopez Lopez | — | (661) 400 5311 | GC, remodel, ADU | Canyon Country · Los Angeles County | — | — |
| Adobe Construction INC | Mehdi Taheri | — | (818) 274 2128 | GC, remodel, ADU | Calabasas · Los Angeles County | — | — |
| Adobeyond Construction | Evan Qiuxingyu | — | (310) 882 1495 | GC, remodel, ADU | El Monte · Los Angeles County | — | — |
| Adoc Building Corporation | Brioso Jose | — | (661) 492 2626 | GC, remodel, ADU | Lancaster · Los Angeles County | — | — |
| Adolfo Espinoza DBA Icon Contracting | Espinoza Adolfo | — | (818) 568 9826 | GC, remodel, ADU | Sherman Oaks · Los Angeles County | — | — |
| Adolfo Finishing INC | Adolfo Gustavo De Alba | — | (818) 294 5999 | Windows, patio, painters | Acton · Los Angeles County | — | — |
| Adolfo's Plumbing | Adolfo's Plumbing | — | (323) 533 0344 | Other | Arleta · Los Angeles County | — | — |
| Adora - Bilt Homes | Adora - Bilt Homes | — | (626) 233 7594 | Other roofers | Monterey Park · Los Angeles County | — | — |
| Adr Construction Design | Del Refugio Roberto | — | (818) 618 5931 | GC, remodel, ADU | Chatsworth · Los Angeles County | — | — |
| Adr Pro Builders INC | Azuka Emmanuel Egun | — | (818) 531 1444 | GC, remodel, ADU | Encino · Los Angeles County | — | — |
| Adr Remodeling INC | Adan Daniel Ramos Marquez | — | (323) 328 8837 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Adr22 Heating And Cooling | Carlos Enrique Pineda | — | (661) 557 4797 | HVAC | Lancaster · Los Angeles County | — | — |
| Adria Floor Covering LLC | Zubcic Ned | — | (310) 433 3370 | Other | Whittier · Los Angeles County | — | — |
| Adrian Barrera-guzman | Adrian Barrera-guzman | — | (323) 559 8088 | Windows, patio, painters | Los Angeles · Los Angeles County | — | — |
| Adrian G Marusich DBA Perfection Reflections | Perfection Reflections | — | (818) 888 2217 | Windows, patio, painters | West Hills · Los Angeles County | — | — |