| Agbw Corporation DBA Bpi Plumbing | Galicia Alejandro | — | (619) 429 9066 | Other | Chula Vista · San Diego County | — | — |
| Agc Builders Group LLC | David Jr Santiago | buildzoomsupport@blockrenovation.com | (619) 806 3075 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| Agee General Contracting INC | Andrade Gabriel Munguia | guy@infinitydesignbuild.com | (619) 342 5724 | GC, remodel, ADU | National City · San Diego County | — | — |
| Ageless Engineering Corp | Matthew Glenn Doherty | — | (760) 521 8321 | Other | Oceanside · San Diego County | — | — |
| Aggressive Marble Stone Care | Aggressive Marble Stone Care | — | (619) 819 7871 | Other | San Diego · San Diego County | — | — |
| Agh Framing INC | Hernandez Alfredo Gonzalez | alfredo@aghframing.com | (619) 805 5630 | Other | Lemon Grove · San Diego County | — | — |
| Agile Security Group INC | Raymond Alexander Walton | — | (858) 877 9330 | Alarm and generators | Poway · San Diego County | — | — |
| Agm General Construction | Guzman Antonio | — | (760) 532 2292 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Agn Construction INC | Cristian Waldemar Aguilon Rosales | — | (619) 937 1714 | GC, remodel, ADU | Lakeside · San Diego County | — | — |
| Agr Lath & Plaster INC | Gerardo Angulo Rodriguez | — | (760) 644 0920 | Other | Vista · San Diego County | — | — |
| Agr Tile INC | Eric Sergio Aguilar Palacios | — | (760) 809 3616 | Other | Escondido · San Diego County | — | — |
| Agrarian Craft | Marcos Agusto Salinas Mujica | v@build.version | (760) 518 3512 | Windows, patio, painters | Carlsbad · San Diego County | — | — |
| Agt Hardscape INC | Tolentino Angel Garcia | — | (619) 496 5997 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Aguas Pools & Spa | Aguas Pools & Spa | — | (760) 443 3719 | Pool | Vista · San Diego County | — | — |
| Aguayo Plumbing INC | Lucas Samuel Aguayo | — | (619) 722 4020 | Other | Santee · San Diego County | — | — |
| Agui's Concrete | Agui's Concrete | — | (619) 650 9301 | Other | San Diego · San Diego County | — | — |
| Aguiar Construction INC | Francisco Aguiar | — | (619) 847 7098 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Aguilar Construction | Aguilar - Mena Ricardo | — | (619) 454 7734 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Aguilar Landscape Evolution Corp | Parra Usvaldo Aguilar | — | (760) 458 1966 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Aguilon's Construction INC | Ricardo Abelino Aguilon Azanon | — | (619) 508 9710 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Aguirre Mechanical Services LLC | Rene Javier Aguirre | — | (619) 514 9721 | HVAC | Lakeside · San Diego County | — | — |
| Agundez Concrete Co | Matthew Zumaya Agundez | — | (619) 571 1167 | Other | Chula Vista · San Diego County | — | — |
| Agundez Construction Incorporated | Agundez Gilberto | — | (760) 994 3834 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Agustin's Irrigation Service | Gomez Agustin | — | (619) 670 7933 | Windows, patio, painters | Spring Valley · San Diego County | — | — |
| Ah Coleman Construction | Austin Henry Coleman | — | (619) 884 0086 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ah Construction | Christian Aguilar | sales@ahconstruction.com | (619) 241 2084 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ah Drywall | Ah Drywall | — | (760) 655 2292 | Other | Vista · San Diego County | — | — |
| Ah Remodeling | Ah Remodeling | hillelmshamam@gmail.com | (619) 408 1135 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ahlee Backflow Service INC | Michael Charles Ahlee | — | (619) 444 7781 | Other | Santee · San Diego County | — | — |
| Ahmad S Rafig | Ahmad S Rafig | — | (858) 345 7243 | Other | San Diego · San Diego County | — | — |
| Ahoy Pool Service | David Presley Talbot | — | (760) 845 6863 | Pool | Carlsbad · San Diego County | — | — |
| Ahrens Mechanical | Gregory Scott Ahrens | — | (619) 487 9036 | HVAC | San Diego · San Diego County | — | — |
| Ahrens Plumbing | Ahrens Plumbing | — | (858) 531 0530 | Other | San Diego · San Diego County | — | — |
| Ai Camp Building | Ai Camp Building | — | (619) 886 4505 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Aiello's Construction | Pasquale Joseph Aiello | — | (619) 933 4281 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| Aim Mechanical | Aim Mechanical | info@aimmechanicalsd.com | (619) 418 6334 | HVAC | Chula Vista · San Diego County | — | — |
| Aim Pump And Plumbing | Anner Isai Medrano | — | (760) 518 4192 | Other | Escondido · San Diego County | — | — |
| Aim Pump And Plumbing | Aim Pump And Plumbing | — | (760) 518 4192 | Other | Oceanside · San Diego County | — | — |
| Ainza Plumbing | Ainza Plumbing | — | (619) 885 1462 | Other | Chula Vista · San Diego County | — | — |
| Aip Remodeling | Tyler Vincent Owen | — | (858) 776 8700 | GC, remodel, ADU | Escondido · San Diego County | — | — |