| All Access Construction INC | Michael Fredrick Feil | msmith@itwebsmith.com | (619) 212 1638 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| All Access Tree Care | Mukhlis Gorial Raffo | allaccesstreecare@gmail.com | (619) 212 3559 | Tree | El Cajon · San Diego County | — | — |
| All American A - Z Handyman | Glenn Ross Clutter | — | (760) 443 3006 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| All American Building And Remodeling | All American Building And Remodeling | — | (619) 204 1257 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| All American Building Services Enterprise INC | Edgar Ricardo Jr Villa | aqremodeling2@gmail.com | (619) 228 3431 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| All American Drilling And Pump Service LLC | James Michael Mcginnis | — | (760) 470 1655 | Other | Escondido · San Diego County | — | — |
| All American Dry Out INC | Paul Miller Courtwright | guy@infinitydesignbuild.com | (858) 842 8004 | GC, remodel, ADU | Poway · San Diego County | — | — |
| All American Fence And Gates INC | Jean Carlo Romero | — | (619) 986 7800 | Other | San Diego · San Diego County | — | — |
| All American INC | Jaser Moini | — | (858) 943 1301 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| All American Patriot Builders INC | Juan Victor Aguilar | info@americanbuilder.com | (619) 454 1406 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| All American Plumbing INC | Byron Ramon Iii Hoch | — | (858) 842 7876 | Other | Poway · San Diego County | — | — |
| All Angel Painting Solutions | All Angel Painting Solutions | — | (760) 622 0177 | Windows, patio, painters | Vista · San Diego County | — | — |
| All Around Construction | Bradley Edward Upp | info@allaroundconstruction.com | (732) 280-6530 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| All Around Electric | Alberto Villanueva Montero | mike@allaroundelectric.com | (619) 300 3020 | Electricians | Bonita · San Diego County | — | — |
| All Around Fence INC | George Ronnie Castro | — | (619) 585 1184 | Other | Bonita · San Diego County | — | — |
| All Around Painting | All Around Painting | — | (619) 760 7238 | Windows, patio, painters | San Diego · San Diego County | — | — |
| All Brands Appliance Service | Stephen Andrew Limber | steved@precision-ac.com | (619) 240 0833 | HVAC | Chula Vista · San Diego County | — | — |
| All Bright | All Bright | — | (619) 817 1166 | Windows, patio, painters | San Diego · San Diego County | — | — |
| All Can Drywall INC | Arturo Florez Sr Orozco | — | (760) 645 3971 | Other | Fallbrook · San Diego County | — | — |
| All Care Plumbing San Diego | Joey Smith | allcareplumbing619@gmail.com | (619) 901 5515 | Other | Lemon Grove · San Diego County | — | — |
| All Cities Water Treatment INC | Marc Bradley Cohen | — | (858) 694 0929 | Other | San Diego · San Diego County | — | — |
| All City Cleaning & Restoration | Pete Petar Sfera | jamil@symonsfp.com | (844) 442 6201 | GC, remodel, ADU | Vista · San Diego County | — | — |
| All City Electric INC | James Michael Grasela | — | (619) 398 4000 | Electricians | San Diego · San Diego County | — | — |
| All Clear Pool | All Clear Pool | — | (760) 723 2859 | Pool | Bonsall · San Diego County | — | — |
| All Clear Pools | All Clear Pools | — | (619) 201 1540 | Pool | El Cajon · San Diego County | — | — |
| All Climate Heating & Air INC | Corey Allen Ott | achaainc@gmail.com | (760) 585 5136 | HVAC | Oceanside · San Diego County | — | — |
| All Coast Restoration Resources | Freddie Lee Erwin | info@allcoastrr.com | (619) 980 6621 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| All Construction Maintenance | Gilbert John Gomes | — | (650) 248 9304 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| All County Construction | Ronald Joseph Bradley | — | (714) 356 1203 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| All County Plumbing | All County Plumbing | — | (760) 908 9254 | Other | Carlsbad · San Diego County | — | — |
| All County Plumbing INC | Joshua John Rangel | — | (619) 410 5311 | Other | Chula Vista · San Diego County | — | — |
| All County Termite & Construction | Wayne Kevin Layton | — | (619) 561 1645 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| All Custom Electric INC | Jamie Anthony Gardetto | — | (760) 747 3336 | Electricians | Escondido · San Diego County | — | — |
| All Day Heating And Air Conditioning LLC | Joshua Thomas Medina | — | (760) 505 7154 | HVAC | Oceanside · San Diego County | — | — |
| All Day Plumbing & Drains | Cutberto Jr Rubio | — | (619) 342 1001 | Other | El Cajon · San Diego County | — | — |
| All Designs Drywall | All Designs Drywall | — | (619) 665 9134 | Other | Spring Valley · San Diego County | — | — |
| All Done Plumbing INC | John Robert Horn | john@alldoneplumbing.com | (760) 622 1207 | Other | Escondido · San Diego County | — | — |
| All Express Plumbing INC | Soufiane Titouah | — | (760) 420 9997 | Other | Escondido · San Diego County | — | — |
| All Floors And Finishes | Joshua Michael Dixon | — | (858) 435 2500 | Other | Poway · San Diego County | — | — |
| All Flow Plumbing & Backflow | All Flow Plumbing & Backflow | — | (619) 857 9891 | Other | Santee · San Diego County | — | — |