| Anthony Montano | Anthony Montano | — | (760) 712 8161 | Other | San Luis Rey · San Diego County | — | — |
| Anthony Moore Construction | Anthony Lynn Moore | guy@infinitydesignbuild.com | (619) 972 0021 | HVAC | San Marcos · San Diego County | — | — |
| Anthony Pauker Construction | Anthony John Henry Pauker | — | (619) 247 3720 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| Anthony Semo DBA Semo Fabrication | Anthony Semo DBA Semo Fabrication | — | (619) 322 5935 | Other | Encinitas · San Diego County | — | — |
| Anthony Smith | Anthony Smith | — | (619) 715 6393 | Electricians | San Diego · San Diego County | — | — |
| Anthony T Sanshey & Son | Anthony T Sanshey & Son | — | (760) 797 8916 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Anthony Wayne Kaliskis | Anthony Wayne Kaliskis | — | (760) 484 8090 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Anthony's Floor Service | Anthony Mi Alvarez | — | (760) 233 7700 | Other | Escondido · San Diego County | — | — |
| Antigua Builders | Edward Laurence Perez | — | (619) 997 4696 | GC, remodel, ADU | Pine Valley · San Diego County | — | — |
| Antigua Hardwood Flooring | Antigua Hardwood Flooring | — | (619) 227 3818 | Other | Escondido · San Diego County | — | — |
| Anton Electric INC | Peter Anton Gober | — | (619) 920 5735 | Electricians | San Diego · San Diego County | — | — |
| Anton's Construction | Anton Natanael | — | (760) 707 3338 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Anton's Service INC | Stephen Michael Tadlock | — | (619) 579 9000 | GC, remodel, ADU | Lakeside · San Diego County | — | — |
| Antonio Arreola Giron | Antonio Arreola Giron | — | (760) 994 5794 | Other | Oceanside · San Diego County | — | — |
| Antonio Espinobarros Galindo | Antonio Espinobarros Galindo | — | (619) 829 7365 | Other | San Diego · San Diego County | — | — |
| Antonio Ruiz | Antonio Ruiz | — | (760) 726 0461 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Antonio's Construction & Remodeling INC | Antonio Alonso Pimentel Martinez | — | (619) 807 6105 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Antonio's Landscaping Partnership | Catarina Jose-Pedro | — | (760) 504 6140 | Windows, patio, painters | San Marcos · San Diego County | — | — |
| Antonio's Metal Works INC | Ramon Antonio Aguirre | info@antoniosmetalworks.com | (619) 241 2413 | Other | El Cajon · San Diego County | — | — |
| Antoon Construction Services INC | Saif Ehab Elbanna | info@antoonservices.com | (858) 208 3206 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Antoun Pacific Coast Builder INC | Imad Jamil Antoun | — | (858) 335 4623 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Any Leak Plumbing INC | Hernandez Ernesto Hernandez | anyleak1@gmail.com | (760) 592 5473 | Other | Vista · San Diego County | — | — |
| Anytime Flood Restoration | Anytime Flood Restoration | — | (619) 726 2417 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Anytime Septic Service INC | Pedro Salcedo | — | (619) 443 2031 | Other | Santee · San Diego County | — | — |
| Anytime Sign Solutions INC | Ernesto Perez | — | (619) 591 1234 | Other | Chula Vista · San Diego County | — | — |
| Ao Electric | Ortiz-scarpetta Alexander | — | (858) 864 0555 | Electricians | Rancho Santa Fe · San Diego County | — | — |
| Aoa Construction Services | Adan Ortega Abrego | — | (619) 772 1577 | GC, remodel, ADU | National City · San Diego County | — | — |
| Aon Engineering | Aon Engineering | buildzoomsupport@blockrenovation.com | (619) 468 3595 | HVAC | Jamul · San Diego County | — | — |
| Aovc Construction | Todd William Oakley | — | (610) 547 7130 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ap Build Works | Adan Ricardo Perez-Zazueta | buildzoomsupport@blockrenovation.com | (619) 666 6087 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ap Coastline Tile | Ap Coastline Tile | — | (619) 677 4485 | Other | Lemon Grove · San Diego County | — | — |
| Ap Construction Builder | Anthony Steven Posada | — | (619) 395 5151 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Ap Heating & Air | Ap Heating & Air | steved@precision-ac.com | (619) 805 5465 | HVAC | El Cajon · San Diego County | — | — |
| Ap Roofing | Robles Antonio Paredes | — | (619) 621 0370 | Other roofers | La Mesa · San Diego County | — | — |
| Apache Asphalt & Seal Corp | Valerie Lynn Mc Clure | — | (760) 598 8855 | Other | Vista · San Diego County | — | — |
| Apache Fencing Company | Edwin Thomas Pacheco | — | (619) 672 8720 | Other | Alpine · San Diego County | — | — |
| Apache Landscape | Apache Landscape | creyes@aimla.com | (619) 207 5769 | Windows, patio, painters | Spring Valley · San Diego County | — | — |
| Apartment Company Group Construction LLC | Roman Ozeruga | — | (760) 445 0835 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Ape Renovations INC | Juan Angel Calderon | — | (619) 547 2453 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Ape X-scape Landscaping | Ape X-scape Landscaping | — | (760) 224 8257 | Windows, patio, painters | Vista · San Diego County | — | — |