| Adm Welding Services LLC | Adam Jozefh Tobias | — | (916) 203 2326 | Other | Sacramento · Sacramento County | — | — |
| Admeyer Finish Carpentry | Admeyer Finish Carpentry | — | (760) 390 5199 | Other | Alta Loma · San Bernardino County | — | — |
| Admf | Santiago Gabriel Monestier | — | (916) 306 0297 | Other | Gold River · Sacramento County | — | — |
| Admin Networks INC | Wai Lam Lui | — | (408) 200 9881 | Other | San Jose · Santa Clara County | — | — |
| Admirable Works | Admirable Works | — | (714) 658 4769 | Windows, patio, painters | Garden Grove · Orange County | — | — |
| Admiral Contracting INC | Jonathan Luther Bartholomew | — | (209) 769 9005 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Admiral Garage Door Service | Robert James Williamson | — | (949) 525 2993 | Other | Laguna Niguel · Orange County | — | — |
| Admiral Pest Control | Admiral Pest Control | — | (866) 400-1915 | Pest, tile roofs | Bellflower · Alameda County | — | — |
| Admiral Plumbing | Admiral Plumbing | — | (310) 372 8010 | Other | Redondo Beach · Los Angeles County | — | — |
| Admiral Rebar INC | Ramiro Daniel Perez | — | (909) 240 4060 | Other | Jurupa Valley · Riverside County | — | — |
| Admiral Refrigeration INC | Dale Todd Nichols | — | (661) 505 7913 | HVAC | Valencia · Los Angeles County | — | — |
| Admiral Signs | Admiral Signs | — | (559) 351 9346 | Other | Prather · Fresno County | — | — |
| Admirals Cove | Admirals Cove | — | (510) 692-4898 | Windows, patio, painters | Alameda · Alameda County | — | — |
| Admire Roofing | Walter Richard Baum | — | (818) 516 5325 | Other roofers | Canoga Park · Los Angeles County | — | — |
| Admj Painting & Decorating INC | Agustin Armando Miguel Jose | — | (951) 464 6981 | Windows, patio, painters | Perris · Riverside County | — | — |
| Admond Construction INC | Kelson Kang Chu | — | (650) 619 8968 | GC, remodel, ADU | Santa Clara · Santa Clara 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 | — | — |
| Adney Tree Service INC | Adney Tree Service INC | — | (831) 851-1196 | Tree | Aptos · Santa Cruz County | — | — |
| Adney Tree Service Incorporated | Kyle Jacob Adney | — | (831) 247 4713 | GC, remodel, ADU | Aromas · Monterey County | — | — |
| Ado Builders INC | Irvin Adonay Rodriguez Rosales | — | (562) 846 0653 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Ado Construction INC | Sun Cha Lee | — | (714) 319 8485 | GC, remodel, ADU | Cypress · Orange County | — | — |
| Ado Electrical Services | Leo Dan Ordonez-Maldonado | info@adoelectricalservices.com | (323) 500 9026 | Electricians | Baldwin Park · Los Angeles County | — | — |
| Adobe Building Corp | Lopez Sergio Martinez | adobe@adobebuilding.com | (805) 290 8030 | GC, remodel, ADU | Fillmore · Ventura County | — | — |
| Adobe Construction | Pedro Lopez Lopez | — | (661) 400 5311 | GC, remodel, ADU | Canyon Country · Los Angeles County | — | — |
| Adobe Construction | Sergio Antonio Martinez | info@adobeconstruction.com | (209) 993 7010 | GC, remodel, ADU | Acampo · San Joaquin County | — | — |
| Adobe Construction | Rodriguez Daniel | info@adobeconstruction.com | (805) 732 0575 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Adobe Construction Company | Kyle Anthony Deidrick | info@adobeconstruction.com | (707) 364 3651 | Other | Penngrove · Sonoma County | — | — |
| Adobe Construction INC | Mehdi Taheri | — | (818) 274 2128 | GC, remodel, ADU | Calabasas · Los Angeles County | — | — |
| Adobe Creek Construction | Roman Viscarra Benitez | — | (760) 458 1045 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Adobe Electric | Michael Luke Simmons | — | (707) 477 6522 | Electricians | Petaluma · Sonoma County | — | — |
| Adobe General Contractors | Sohaib Al-Agha | — | (619) 880 6003 | GC, remodel, ADU | Bonita · San Diego County | — | — |
| Adobe Interiors | Adobe Interiors | — | (817) 294-0053 | GC, remodel, ADU | Ben Lomond · Santa Cruz County | — | — |
| Adobe Soil & Structures Engineering Contractors INC | Mark Assis Almeida | — | (510) 654 2600 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Adobe Telcom INC | Philip Yuke Tam | — | (707) 778 7908 | Other | Petaluma · Sonoma County | — | — |
| Adobe West INC | Michael John Schafer | — | (559) 432 2100 | GC, remodel, ADU | Fresno · Fresno 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 | — | — |
| Adolf Wilburg Painting | Adolf Wilburg Painting | — | (805) 529 7784 | Windows, patio, painters | Moorpark · Ventura County | — | — |