| A P E S Access Power Electrical Services | Michael Jonathan Soto | buildzoomsupport@blockrenovation.com | (760) 497 5457 | Electricians | Oceanside · San Diego County | — | — |
| A P Electrical Services | Andrew Jonathan Peattie | — | (760) 859 7937 | Electricians | Oceanside · San Diego County | — | — |
| A P Flooring Sd LLC | Bracamontes Abel Perez | — | (760) 458 6305 | Other | Escondido · San Diego County | — | — |
| A P General Corporation | William Ali Pourian | jcayala@traycons.com | (619) 274 2977 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| A P L Electrical INC | Milton John Akenson | eddie.haro@electricare.com | (858) 449 6651 | Electricians | San Diego · San Diego County | — | — |
| A P S Builders INC | Paul Aldrik Stykel | — | (760) 519 2897 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| A P S Overhead Door & Security Co | Randall Henry Scheppmann | — | (619) 588 6385 | Alarm and generators | El Cajon · San Diego County | — | — |
| A P Sill | A P Sill | — | (951) 760 4152 | Other | Valley Center · San Diego County | — | — |
| A Painting Company | Daniel Joseph Mahoney | — | (858) 886 9211 | Windows, patio, painters | Escondido · San Diego County | — | — |
| A Palma Plumbing | Jeffrey Bautista Palma | — | (619) 207 0932 | Other | San Diego · San Diego County | — | — |
| A Passion For Gardening | A Passion For Gardening | — | (760) 580 1079 | Windows, patio, painters | Escondido · San Diego County | — | — |
| A Plus Electric | Ouji Jamshid | — | (858) 294 2557 | Electricians | San Diego · San Diego County | — | — |
| A Plus Lighting | Weon Kyoung Lee | — | (858) 688 6445 | Electricians | San Diego · San Diego County | — | — |
| A Plus Park Plumbing | Perla Hayde Cardenas | — | (619) 948 6859 | Other | San Diego · San Diego County | — | — |
| A Plus Roofing And Construction INC | Martina Doyer | — | (619) 527 2227 | Other roofers | San Diego · San Diego County | — | — |
| A Plus Steel Construction INC | Guillermo G Navarro | — | (760) 505 0917 | Other | Vista · San Diego County | — | — |
| A Preman Roofing INC | Aaron Andrew Preman | info@christianroofing.com | (619) 276 1700 | Other roofers | San Diego · San Diego County | — | — |
| A Premier Restoration Services INC | James Michael Gardner | — | (619) 424 1117 | GC, remodel, ADU | National City · San Diego County | — | — |
| A Pro Company INC | Hernandez Alberto Zuniga | — | (760) 532 6563 | Windows, patio, painters | Escondido · San Diego County | — | — |
| A Pro Handyman | A Pro Handyman | — | (619) 988 6256 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| A Pro Plumbing | Steven Charles Colabella | — | (619) 422 8500 | Other | Chula Vista · San Diego County | — | — |
| A Q - Renovations INC | Josafat Gabriel Aquino Martinez | aqremodeling2@gmail.com | (619) 646 6022 | GC, remodel, ADU | San Ysidro · San Diego County | — | — |
| A Quality Connection | A Quality Connection | — | (858) 485 0702 | Other | Escondido · San Diego County | — | — |
| A R Bardsley Construction | Aric Richard Bardsley | — | (619) 666 0362 | Other | Jamul · San Diego County | — | — |
| A R C Construction Co | Amirnovin Mahmoud | — | (619) 920 3929 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| A R C Custom Builders | Aryan Rama Cashion | — | (760) 271 3919 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| A R Coatings | A R Coatings | — | (760) 305 2909 | Windows, patio, painters | Alpine · San Diego County | — | — |
| A R Coatings INC | Ruben Quiroz | alext@arcoatingsinc.com | (760) 519 9399 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| A R Creations Remodeling INC | Alejandro Ruvalcaba-Felix | — | (619) 634 8434 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| A R E Precision Painting LLC | Rogelio Joseph Estrada | — | (619) 722 4020 | Windows, patio, painters | Descanso · San Diego County | — | — |
| A R Floor Covering | A R Floor Covering | — | (619) 726 4852 | Other | San Diego · San Diego County | — | — |
| A R G Flooring | A R G Flooring | — | (760) 594 1429 | Other | Vista · San Diego County | — | — |
| A R General Contractor | A R General Contractor | taxista026@gmail.com | (619) 886 9452 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| A R Tile & Mosaic | A R Tile & Mosaic | — | (619) 830 1237 | Other | National City · San Diego County | — | — |
| A Regal Finish Construction | Silverio Tony Gutierrez | — | (619) 756 4633 | Other | San Diego · San Diego County | — | — |
| A Reliable Garage Doors | A Reliable Garage Doors | — | (619) 742 6687 | Other | Lemon Grove · San Diego County | — | — |
| A Revitalized Bath And Kitchen A R Bath And Kitchen | Geoffrey Tyler Marsh | — | (619) 644 3320 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| A Rod Plumbing | A Rod Plumbing | — | (619) 361 3403 | Other | Chula Vista · San Diego County | — | — |
| A Rover Electric INC | P M Marsden | roverelectric@gmail.com | (858) 232 7107 | Electricians | La Jolla · San Diego County | — | — |
| A S A P Builders | A S A P Builders | — | (858) 208 7429 | GC, remodel, ADU | San Diego · San Diego County | — | — |