| Acts HVAC | Acts HVAC | — | (916) 498 4765 | HVAC | Sacramento · Sacramento County | — | — |
| Acts Tile INC | Alonso Ortiz | — | (619) 246 2713 | Other | Chula Vista · San Diego County | — | — |
| Actual Roofing Co | Francisco Javier Loya | — | (818) 365 1777 | Other roofers | Panorama City · Los Angeles County | — | — |
| Actually Design Build INC | Charlie Vaughan | — | (415) 519 0735 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Acudura Builders | Acudura Builders | — | (310) 420 7619 | GC, remodel, ADU | Redondo Beach · Los Angeles County | — | — |
| Acufab Structural | Salvador Lee Almanza | — | (310) 538 4944 | Other | Gardena · Los Angeles County | — | — |
| Acumen Construction Management INC | Theodore Conrad Curtis | — | (408) 903 9302 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Acuna | Acuna Lance | — | (213) 293 5088 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Acuna Construction | Lizzeth Alejandra Acuna | — | (909) 670 4509 | GC, remodel, ADU | Pomona · Los Angeles County | — | — |
| Acuna Corp | Madison Ann Terry | — | (714) 701 9616 | GC, remodel, ADU | Whittier · Los Angeles County | — | — |
| Acuna Drywall | Acuna Drywall | — | (661) 609 6186 | Other | Lancaster · Los Angeles County | — | — |
| Acuna Ornamental Ironworks | Acuna Ornamental Ironworks | — | (916) 289 3313 | Other | Roseville · Placer County | — | — |
| Acuna Painting Co | Alejandro Acuna | — | (909) 489 2489 | Windows, patio, painters | Pomona · Los Angeles County | — | — |
| Acuna's Framing INC | Acuna Salgado Efrain | — | (858) 663 4733 | Other | Santee · San Diego County | — | — |
| Acuna's Plumbing & Rooter Service | Ismael Dereza Acuna | — | (818) 566 1323 | Other | Burbank · Los Angeles County | — | — |
| Acuna's Polar Aire | Acuna's Polar Aire | — | (858) 486 2590 | HVAC | San Marcos · San Diego County | — | — |
| Acunas Engineering INC | Jose Luis Acuna Davalos | — | (951) 261 4808 | Other | Mira Loma · Riverside County | — | — |
| Acura Custom Shutters INC | William Martin Akers | — | (714) 632 5859 | Other | Anaheim · Orange County | — | — |
| Acura Plumbing INC | Andre Louis Gaskin | — | (510) 717 6907 | Other | Elk Grove · Sacramento County | — | — |
| Acurraalloy INC | Gutierrez Christian | — | (562) 567 1039 | Other | Santa Fe Springs · Los Angeles County | — | — |
| Acurtech Welding Services | Salvador M Garcia | — | (714) 875 4851 | Other | Redlands · San Bernardino County | — | — |
| Acustik LLC | Isaac Valenzuela | — | (619) 480 8677 | Other | San Ysidro · San Diego County | — | — |
| Acustruct | Daniel William Yust | — | (925) 872 4680 | Electricians | Concord · Contra Costa County | — | — |
| Acute Plumbing | Acute Plumbing | — | (714) 425 1667 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Acute Plumbing Concepts | Acute Plumbing Concepts | — | (949) 922 1627 | Other | Rancho Santa Margarita · Orange County | — | — |
| Acutech Appliance Heating & Air | Acutech Appliance Heating & Air | — | (916) 628 2619 | HVAC | Sacramento · Sacramento County | — | — |
| Acuterra INC | Russell Law Pogue | info@acuterra.com | (858) 509 1500 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Acv Arc Builders LLC | Jorge Alberto Acevedo | — | (619) 882 8295 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Acv Electric | Anthony Christian Velasquez | — | (926) 261 2015 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |
| Acv Welding And Fabrication | Saul Adolfo Lua | — | (209) 643 3137 | Other | Atwater · Merced County | — | — |
| Acw General Engineering | Alexis Nicole Belio | — | (619) 312 1070 | Other | El Cajon · San Diego County | — | — |
| Acw Steel | Acw Steel | — | (415) 861 8410 | Other | Richmond · Contra Costa County | — | — |
| Acy Construction LLC | Alexander Chung Yeung | — | (415) 577 1580 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Acz Mechanical INC | Zachary James Brown | — | (707) 543 6271 | HVAC | Forestville · Sonoma County | — | — |
| Ad & C Design INC | Chai Yunzhou | — | (510) 278 2498 | Other | Fremont · Alameda County | — | — |
| Ad Action Construction INC | Alex Ding | — | (916) 716 2938 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Ad America Signs | Ad America Signs | — | (909) 949 0869 | Other | Upland · San Bernardino County | — | — |
| Ad Art INC | Terry Jack Long | — | (415) 869 6464 | Other | San Francisco · San Francisco County | — | — |
| Ad Builders | Bigdeli Mani | — | (310) 488 8478 | GC, remodel, ADU | Van Nuys · Los Angeles County | — | — |
| Ad Construction Equipment INC | Andrew D Jr Dillard | — | (310) 817 5640 | Other | Gardena · Los Angeles County | — | — |