| Ami Plumbing | Manuel Antonio Graciano | — | (619) 454 4586 | Other | National City · San Diego County | — | — |
| Ami Plumbing Services LLC | Alfonso Jr Gomez | — | (619) 252 9229 | Other | San Diego · San Diego County | — | — |
| Amigable Building Group INC | Henry Formoso Jr Amigable | — | (619) 865 5149 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Amir Brikho | Amir Brikho | buildzoomsupport@blockrenovation.com | (619) 971 1221 | Electricians | Spring Valley · San Diego County | — | — |
| Amirault Electric Corp | Travis Louis Amirault | eddie.haro@electricare.com | (858) 882 7781 | Electricians | Valley Center · San Diego County | — | — |
| Amj Engineering & Construction INC | Ala Mohammad Karaja | — | (858) 444 0969 | Other | La Jolla · San Diego County | — | — |
| Aml-american Made Logistics | Kellen Andrew Rossitto | aqremodeling2@gmail.com | (619) 772 2382 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Amlr General Construction INC | Anjel Mario Lopez Rojas | — | (619) 886 6507 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ammouri Construction | Mohamed Hasan Ammouri | ammouriconstruction@gmail.com | (619) 300 3786 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Amo Drywall | Amo Drywall | — | (619) 829 8303 | Other | San Diego · San Diego County | — | — |
| Amp Design Construction | Paul Martin Alarico | — | (619) 559 1321 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Amp Electric And Lighting Services INC | Nicolas Jr Casillas | — | (619) 697 0734 | Electricians | Spring Valley · San Diego County | — | — |
| Amp General Construction | Adalberto Obregon | — | (760) 676 2079 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Amp HVAC | Amp HVAC | amphvac@gmail.com | (858) 789 8809 | HVAC | San Diego · San Diego County | — | — |
| Amparo Construction & Restoration | Oscar Arturo Amparo-garcia | guy@infinitydesignbuild.com | (858) 789 8810 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Amped Alliance Electric | David Jonathan Brussack | ampedallianceelectric@gmail.com | (760) 701 1776 | Electricians | Valley Center · San Diego County | — | — |
| Ampere Electric | Fazel Hashemi | amperelectric858@gmail.com | (858) 207 8452 | Electricians | Escondido · San Diego County | — | — |
| Ampersand Construction | William Kalin Cannady | — | (757) 621 6408 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Amr General Contractors LLC | Alissa Beth Thompson | alissa@amrgeneralcontractors.com | (619) 315 9215 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Amr Roofing INC | Misael Erubey Reyna Tello | mcgrawr04@gmail.com | (760) 759 4138 | Other roofers | Escondido · San Diego County | — | — |
| Ams Consulting And Design INC | Evans Ileana | — | (510) 823 4221 | Windows, patio, painters | San Marcos · San Diego County | — | — |
| Ams Electric | Aaron Lee Mittrick | contact@claycoelectric.org | (858) 276 1860 | Electricians | San Diego · San Diego County | — | — |
| Ams General Contractor INC | Jesus Alberto Perez Soto | guy@infinitydesignbuild.com | (619) 379 9742 | GC, remodel, ADU | Bonita · San Diego County | — | — |
| Ams Plumbing & Drain | Alexander Matthew Singer | — | (619) 847 8330 | Other | Lakeside · San Diego County | — | — |
| Amw General Contracting INC | Andre Michael Wolford | — | (618) 577 4130 | GC, remodel, ADU | Santee · San Diego County | — | — |
| Anaergia Technologies & Engineering LLC | Hani El-Kaissi | — | (866) 978 9785 | Other | Carlsbad · San Diego County | — | — |
| Analoges Construct | Analoges Construct | structuralprimebuilder@gmail.com | (760) 902 1491 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Anaya Construction & Remodeling INC | Anaya Benjamin | — | (760) 715 1863 | GC, remodel, ADU | Valley Center · San Diego County | — | — |
| Anbro Energy Systems LLC | Adam M Kramer | — | (760) 262 4133 | Electricians | Oceanside · San Diego County | — | — |
| Anchor Coatings INC | Andrew Michael Taylor | — | (858) 220 8723 | Windows, patio, painters | Solana Beach · San Diego County | — | — |
| Anchor Construction Specialties INC | Scott Donald Saling | info@anchorspecialties.com | (858) 452 0562 | Other | San Diego · San Diego County | — | — |
| Anchor Field Construction INC | Brandon Lee Caringer | — | (760) 481 2223 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Anchor Point Construction INC | Sal Anthony Giannone | aqremodeling2@gmail.com | (619) 572 1043 | Electricians | San Diego · San Diego County | — | — |
| Anchorbuilt Co INC | Gizzelle Berlein Panelo | — | (619) 371 8422 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ancona Electric And Building | Anconaquiroz Daniel | buildzoomsupport@blockrenovation.com | (858) 945 7997 | Electricians | Solana Beach · San Diego County | — | — |
| Ancora Construction LLC | Erick Ricardo Heredia Banos | — | (602) 425 8968 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Andaluz Tree Care | Andaluz Tree Care | — | (760) 877 1225 | Other | Escondido · San Diego County | — | — |
| Andersen Brothers Construction INC | Dane Christian Andersen | — | (619) 851 5497 | GC, remodel, ADU | Valley Center · San Diego County | — | — |
| Andersen Framing | Andersen Framing | andersenframing@gmail.com | (760) 900 8542 | Other | Vista · San Diego County | — | — |
| Anderson Built | Anderson Built | guy@infinitydesignbuild.com | (760) 522 3973 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |