| Arias Dream Renovation INC | Farley Arias | — | (909) 730 8882 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Arias Home Renovations | Arias Home Renovations | — | (760) 978 2213 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Arias Waterproofing | Arias Waterproofing | — | (619) 884 7923 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Ariel Custom Granite & Tile | Ariel Custom Granite & Tile | — | (760) 300 5078 | Other | Escondido · San Diego County | — | — |
| Arimathea Corp | Cynthia Marie Campos-Gutierrez | admin@arimatheacorp.com | (619) 788 7577 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Ario Landscaping | Ario Landscaping | — | (619) 582 9000 | Windows, patio, painters | Lemon Grove · San Diego County | — | — |
| Arise Scaffolding & Consulting INC | Abel Mora | — | (619) 439 6570 | Other | Spring Valley · San Diego County | — | — |
| Arista Concrete Concepts | Arista Concrete Concepts | — | (619) 279 3180 | Other | San Diego · San Diego County | — | — |
| Arista's Painting Services | Jose Raul Arista | — | (619) 654 0897 | Windows, patio, painters | El Cajon · San Diego County | — | — |
| Aristeo Gayosso Jr | Aristeo Gayosso Jr | — | (619) 867 7016 | Windows, patio, painters | Chula Vista · San Diego County | — | — |
| Ariza Masonry Construction Service | Mendoza Efren Ariza | — | (760) 458 2535 | Other | Vista · San Diego County | — | — |
| Ark General Construction INC | Gomez Cristino Rojas | hello@arkgeneralconstruction.com | (619) 319 0606 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ark Restoration & Claims Solutions | Luis Fernando Paredes | contact@arkrestorationsd.com | (619) 674 7445 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Arkay Construction | Kelly Ronald | — | (619) 279 0186 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Arkhaven Builders INC | Sebastian Rey Gonzalez | info@arkhavenbuilt.com | (619) 253 4972 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Arkline Plumbing | Arkline Plumbing | — | (858) 744 2529 | Other | San Diego · San Diego County | — | — |
| Arm Drywall And Construction | Arturo Ruben Martinez | — | (619) 850 5016 | GC, remodel, ADU | Bonita · San Diego County | — | — |
| Arman Rafaeli Zakaryan | Arman Rafaeli Zakaryan | — | (619) 838 0808 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| Armando Flores DBA Peak Landscape And Design | Peak Landscape And Design | — | (619) 481 0612 | Windows, patio, painters | La Mesa · San Diego County | — | — |
| Armando Pino Jr DBA Fleetwood Plumbing Co | Armando Jr Pino | — | (619) 477 7293 | GC, remodel, ADU | Bonita · San Diego County | — | — |
| Armen Saiadian | Armen Saiadian | — | (619) 395 1664 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Armen Tiles & Stone | Armen Tiles & Stone | — | (619) 760 3712 | Other | El Cajon · San Diego County | — | — |
| Armes Construction | Eric William Armes | — | (760) 607 8613 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Armor Contract Glazing INC | Adam Elliot Roche | — | (760) 803 3599 | Windows, patio, painters | Valley Center · San Diego County | — | — |
| Armor Fabrication & Fence | Armor Fabrication & Fence | — | (760) 212 0738 | Other | Valley Center · San Diego County | — | — |
| Armor Home Remodels INC | Rodolfo Cuellar | aqremodeling2@gmail.com | (619) 882 0667 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Armor Pro Solutions | John Francis Kidwell | info@armorprosolutions.us | (619) 663 8047 | Other roofers | El Cajon · San Diego County | — | — |
| Armor Tek INC | Timothy Brooks Chesser | — | (858) 504 1001 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Armstrong Electric | Mark Clayton Armstrong | — | (760) 749 0802 | Electricians | Valley Center · San Diego County | — | — |
| Armstrong Pools | Armstrong Pools | — | (760) 583 4948 | Pool | Carlsbad · San Diego County | — | — |
| Army Ant Premium Excavation Services INC | Miguel David Sr Simpson | — | (619) 250 2065 | Other | Chula Vista · San Diego County | — | — |
| Arnim Huber Designs | Arnim Huber Designs | — | (858) 243 6464 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Arno E Behr Iii | Arno E Behr Iii | — | (310) 980 7597 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Arpo Tree Service | Vinalay Arlene | — | (760) 622 4101 | Tree | Escondido · San Diego County | — | — |
| Array Systems Drywall | Richard Soberanes | — | (580) 760 9764 | Other | Chula Vista · San Diego County | — | — |
| Arrazolas Fire Protection INC | Jose Daniel Arrazola | — | (760) 712 7186 | Other | Pauma Valley · San Diego County | — | — |
| Arria Services | Shabnam Zolfaghari | — | (619) 291 9292 | Electricians | Escondido · San Diego County | — | — |
| Arrow Automatic Fire Sprinkler INC | Dawna Marie Agosta | — | (619) 448 2518 | Other | San Diego · San Diego County | — | — |
| Arrow Building & Coating INC | Terry Lee Ii Diamond | arrowbuilding619@gmail.com | (619) 317-0811 | Other roofers | La Mesa · San Diego County | — | — |
| Arrow Construction Group | Edgar Alberto Robledo | info@arrow-cx.com | (760) 602 0221 | GC, remodel, ADU | San Diego · San Diego County | — | — |