| A Grade Hardwood Floor | Johnny Yang Huang | — | (626) 824 1891 | GC, remodel, ADU | La Puente · Los Angeles County | — | — |
| A Grade Plumbing | Francisco Javier Hernandez | — | (805) 705 2864 | Other | Oxnard · Ventura County | — | — |
| A Great Looking Roof Co INC | Steve David Shepard | — | (310) 835 5111 | Other roofers | Carson · Los Angeles County | — | — |
| A Green Home | Jack Charles Salvato | — | (650) 400 3600 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| A Greener Tomorrow INC | Luis Uribe | — | (310) 915 0722 | Windows, patio, painters | Culver City · Los Angeles County | — | — |
| A Growing Concern | Donald Loewen Berry Penner | — | (831) 458 3447 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| A Growing Concern Landscapes INC | Douglas Norman Neal | — | (714) 843 5137 | Windows, patio, painters | Huntington Beach · Orange County | — | — |
| A Guizot Contractor | Damon Michael Guizot | — | (760) 920 3648 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| A Gutierrez Roofing Co | Aquileo Vega Gutierrez | — | (323) 583 0745 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A H A Construction | Avetisyan Hovik | ahaconstruction@att.net | (916) 996 4959 | GC, remodel, ADU | North Highlands · Sacramento County | — | — |
| A H Accord Group INC | Patrick Sin Chiu | — | (626) 272 7058 | Electricians | San Gabriel · Los Angeles County | — | — |
| A H B Co | Frank Lionel Airoso | — | (559) 688 6209 | Windows, patio, painters | Tulare · Tulare County | — | — |
| A H B Construction | Alexander Harrison Burr | — | (406) 281 1451 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| A H Botter Contracting | Adrian Hermanus Botter | — | (619) 654 6064 | Other | Lakeside · San Diego County | — | — |
| A H Builders & Developers | A H Builders & Developers | — | (619) 843 9016 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| A H Construction | Hernandez Duenas Agustin | sales@ahconstruction.com | (510) 631 9011 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| A H Construction | Austin Joseph Harkin | sales@ahconstruction.com | (415) 420 1660 | GC, remodel, ADU | Montara · San Mateo County | — | — |
| A H Construction | Hassine Avner | sales@ahconstruction.com | (408) 210 5277 | HVAC | Fremont · Alameda County | — | — |
| A H Construction Co | Hernandez Agustin | sales@ahconstruction.com | (650) 799 8712 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A H Electric | Hernandez Adam | — | (626) 393 6253 | Electricians | West Covina · Los Angeles County | — | — |
| A H Fencing | A H Fencing | — | (209) 430 9787 | Other | Victor · San Joaquin County | — | — |
| A H Flores INC | David Flores | — | (818) 764 0058 | HVAC | North Hollywood · Los Angeles County | — | — |
| A H G Services | Bruce Gordon Matyas | contato@ahgservices.com | (760) 215 0135 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| A H H C | A H H C | — | (323) 401 5265 | GC, remodel, ADU | Montebello · Los Angeles County | — | — |
| A H Hernandez Construction | Manuel Andres Hernandez | — | (805) 459 8893 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| A H Hopkey Company | Skylar Arthur Hopkey | — | (619) 889 6773 | GC, remodel, ADU | Alpine · San Diego County | — | — |
| A H I Restoration | A H I Restoration | ahi.inc@gmail.com | (619) 571 7507 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| A H J Remodeling | A H J Remodeling | — | (408) 828 6890 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| A H P Testing | Robert Cameron Bachus | — | (760) 851 8648 | Other | Palm Desert · Riverside County | — | — |
| A H Painting | A H Painting | — | (714) 486 9680 | Windows, patio, painters | Corona · Riverside County | — | — |
| A H Plumbing | Hyman Avraham | — | (818) 631 2231 | Other | Van Nuys · Los Angeles County | — | — |
| A H R Company | Arturo Carachure | — | (562) 422 1183 | Other roofers | Long Beach · Los Angeles County | — | — |
| A H R Construction | Herrera Gomez Anabell | — | (650) 773 6108 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| A H Reliable Electric | Hadad Almog | — | (818) 402 5300 | Electricians | West Hills · Los Angeles County | — | — |
| A H S Consulting & Construction | Amir Homayoan Shaterian | — | (310) 804 3676 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| A H S Protection | Sevak Zadourian | — | (818) 731 2002 | Other | Glendale · Los Angeles County | — | — |
| A H Tile Experts INC | Chavez Arturo Hernandez | — | (714) 705 5274 | Other | Orange · Orange County | — | — |
| A Hahn Construction | Hahn Andreas | — | (760) 415 2272 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| A Handy Contractor | A Handy Contractor | — | (408) 729 6222 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A Handyman Jaime Fletcher | A Handyman Jaime Fletcher | — | (510) 418 3128 | GC, remodel, ADU | Emeryville · Alameda County | — | — |