| Accountable Plumbing | Accountable Plumbing | — | (760) 487 1394 | Other | Encinitas · San Diego County | — | — |
| Accs Electric INC | Armen Tommy Surmabukian | — | (818) 383 2525 | Electricians | Porter Ranch · Los Angeles County | — | — |
| Accs3 Electric INC | Armen Tommy Surmabukian | — | (760) 475 4833 | Electricians | Van Nuys · Los Angeles County | — | — |
| Accu - Tech Construction | Kim Frederick | — | (714) 822 9282 | GC, remodel, ADU | Fullerton · Orange County | — | — |
| Accu Air | Herbert Louis Hauke | sales@accuair.com | (916) 783 8771 | HVAC | Roseville · Placer County | — | — |
| Accu Construction INC | Dennis Donghae Yum | — | (714) 641 4730 | GC, remodel, ADU | Tustin · Orange County | — | — |
| Accu Fire Protection | Accu Fire Protection | — | (818) 282 3692 | Other | Canyon Country · Los Angeles County | — | — |
| Accu Heating And Air Solutions | Accu Heating And Air Solutions | — | (951) 623 4266 | HVAC | Riverside · Riverside County | — | — |
| Accu Painting Company INC | Shannon Marie Peich | — | (209) 799 3113 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Accu Signs & Digital Printing | Accu Signs & Digital Printing | — | (714) 543 4444 | Other | Santa Ana · Orange County | — | — |
| Accu Solution Construction INC | Choon Ho Chang | — | (714) 350 4342 | GC, remodel, ADU | Norwalk · Los Angeles County | — | — |
| Accu Temp | Accu Temp | — | (760) 244 2097 | HVAC | Hesperia · San Bernardino County | — | — |
| Accu-bore Directional INC DBA Abd | Michael Dean Robirds | — | (877) 636 0430 | Other | Sacramento · Sacramento County | — | — |
| Accu-con Tile Contractors | Larry Mendoza Ii Varela | — | (909) 536 8280 | Other | Chino · San Bernardino County | — | — |
| Accu-cut INC | Bernard Andrew O'leary | — | (310) 327 3454 | Other | Gardena · Los Angeles County | — | — |
| Accu-pro Plumbing Rooter | Accu-pro Plumbing Rooter | — | (714) 595 3382 | Other | Riverside · Riverside County | — | — |
| Accu-rite Industrial Door Repair | Accu-rite Industrial Door Repair | — | (562) 212 8433 | GC, remodel, ADU | Long Beach · Los Angeles County | — | — |
| Accu-temp Heating & Air Conditioning | Accu-temp Heating & Air Conditioning | — | (559) 638 3834 | HVAC | Reedley · Fresno County | — | — |
| Accu-temp INC | Kirk Steven Vasquez | — | (714) 771 0300 | HVAC | Orange · Orange County | — | — |
| Accubuild Construction INC | Nahoraof Nouri | aqremodeling2@gmail.com | (619) 726 8067 | Electricians | San Diego · San Diego County | — | — |
| Accubuild Oc | Luis Alberto Diosdado Perez | info@accubuildoc.com | (714) 317 4088 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Accucraft Construction | Leif Erik Jr Naas | — | (510) 581 3726 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Accucurrent Corporation | Scott T J Mc Hale | — | (844) 600 2228 | Electricians | Rancho Cordova · Sacramento County | — | — |
| Accufix Temp Control | Emmanuel Gallardo Mariano | — | (951) 707 3581 | HVAC | Riverside · Riverside County | — | — |
| Accuflow Plumbing INC | Mike Martin | — | (209) 330 3569 | HVAC | Acampo · San Joaquin County | — | — |
| Accularm Security Systems | Accularm Security Systems | — | (530) 532 0885 | Electricians | Oroville · Butte County | — | — |
| Acculectric INC | Miguel Angel Banales | — | (310) 971 6371 | Electricians | Carson · Los Angeles County | — | — |
| Acculine Leak Detection | Christopher Paule Desarno | — | (619) 496 5262 | Other | Santee · San Diego County | — | — |
| Accuracy Remodeling | Accuracy Remodeling | — | (209) 793 0325 | GC, remodel, ADU | Merced · Merced County | — | — |
| Accurate Acoustics INC | Ross Alan Lapham | — | (909) 478 3422 | Other | Riverside · Riverside County | — | — |
| Accurate Air | Accurate Air | — | (559) 393 1401 | HVAC | Tulare · Tulare County | — | — |
| Accurate Air Control | Accurate Air Control | — | (909) 794 4401 | Other | Mentone · San Bernardino County | — | — |
| Accurate Air Service Co | Edgar Guillermo Aragon | — | (949) 677 0046 | HVAC | Placentia · Orange County | — | — |
| Accurate Air Systems | Avaness Hovick Noravian | — | (626) 818 4744 | HVAC | Glendale · Los Angeles County | — | — |
| Accurate Asphalt And Concrete INC | Deacon Richard Markey | — | (619) 303 1829 | GC, remodel, ADU | Imperial Beach · San Diego County | — | — |
| Accurate Audio Video | Darrell Eugene Schue | aavslt@gmail.com | (530) 541 1696 | Other | South Lake Tahoe · El Dorado County | — | — |
| Accurate Audio Video | Accurate Audio Video | — | (951) 894 6353 | Other | Temecula · Riverside County | — | — |
| Accurate Backflow Testing & Valve Repair | Chris Joseph Succa | — | (818) 909 7880 | Other | Van Nuys · Los Angeles County | — | — |
| Accurate Builders & Maintenance Services | Francis Rudy Spoonemore | — | (951) 805 9083 | GC, remodel, ADU | Wildomar · Riverside County | — | — |
| Accurate Builders & Repair | Accurate Builders & Repair | — | (626) 483 0540 | GC, remodel, ADU | Azusa · Los Angeles County | — | — |