| Aj Priest Construction LLC | Joshua Joseph Luke Priest | info@ajpriestconstruction.com | (408) 417 4062 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Aj Tree Service | Julio A Torres | — | (408) 648 9351 | Other | San Jose · Santa Clara County | — | — |
| Aj's Painting Maintenance Services | Aristides Tobias Garcia | — | (408) 667 2450 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Ajax Construction California | Behroz Hadji Abedi | — | (408) 554 1318 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Aje Monsters Plumbing INC | Adolfo Rodriguez | — | (408) 500 5475 | Other | Gilroy · Santa Clara County | — | — |
| Ak Windows INC | Giorgi Kartozia | — | (408) 797 5555 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Aka Construction | Alexander Kruel Anderson | — | (925) 699 3291 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Akkord Construction | Aleksei Valeryevic Eremin | — | (669) 208 2904 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Al Barreras Roofing | Barreras Alexander | — | (408) 729 5610 | Other roofers | San Jose · Santa Clara County | — | — |
| Al Home Builders INC | Ramirez Martin Mendoza | — | (408) 590 7254 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Al Homes INC | Yuntao Tang | — | (408) 569 8062 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Al Smith Construction & Engineering | Alfred Avery Smith | — | (408) 605 1357 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Al Smith Electric | Alfred William Smith | as@alsmithelectric.com | (408) 353 3315 | Electricians | Los Gatos · Santa Clara County | — | — |
| Al Valle Masonry INC | Alvaro G Valle | — | (408) 717 2437 | Other | San Jose · Santa Clara County | — | — |
| Aladdin Painting | Aladdin Painting | — | (408) 210 9341 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Alamo Landscape And Maintenance | Alamo Landscape And Maintenance | — | (408) 613 3395 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Alan Dale Story | Alan Dale Story | — | (408) 595 7796 | Electricians | Santa Clara · Santa Clara County | — | — |
| Alan De Beauclair Construction Co | Alan Paul De Beauclair | — | (650) 269 5581 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alan Design Build | Alan Nguyen | alan@alandesignbuild.com | (408) 835 7743 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alan L Brinker Co | Alan Lee Brinker | — | (408) 234 5100 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Alan Oakley Plumbing | Alan Oakley Plumbing | — | (408) 655 7121 | Other | Campbell · Santa Clara County | — | — |
| Alan Tony Tran | Alan Tony Tran | — | (408) 206 3237 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alanis Air HVAC | Tony Jose Alanis | — | (408) 607 7724 | HVAC | Gilroy · Santa Clara County | — | — |
| Alarcon Construction | Lupe Fernando Alarcon | — | (408) 234 9884 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Alarcon Construction | Philip John Alarcon | — | (800) 644 9585 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alarcon's Premier Painting | Christian Jhonatan Alarcon Gonzalez | — | (408) 680 1355 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Alarm Pros | Alarm Pros | jack.smith@alarm-pros.com | (650) 704 6224 | Electricians | Mountain View · Santa Clara County | — | — |
| Alb Construction | Yooshieh Dizaj Gahramani | — | (408) 761 3675 | HVAC | San Jose · Santa Clara County | — | — |
| Albert's Company | Ambriz Ortiz Alberto | — | (408) 210 2918 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Albos HVAC | Albos HVAC | mpalbos@gmail.com | (916) 834 7027 | HVAC | San Jose · Santa Clara County | — | — |
| Alcantar Steel INC | Jose Guadalupe Alcantar | — | (408) 528 8401 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alcatraz 408 Construction INC | Oscar Manuel Padilla Ortega | — | (408) 603 3415 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alcazar Construction | Joseph Bryan Quijas | — | (408) 669 0871 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alcazar's Landscaping INC | Vargas Juan Alcazar | — | (408) 306 8550 | Windows, patio, painters | San Martin · Santa Clara County | — | — |
| Alchemy Builders INC | Marx Rey Reyes | requests@alchemy.builders | (408) 466 9039 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alcor Building Solutions LLC | Jamaluddin Laique | — | (408) 496 0305 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Aldaco's Concrete INC | Emiliano Atayde Aldaco | — | (408) 771 9001 | Other | San Jose · Santa Clara County | — | — |
| Aldy Builders All Professional Trades INC | Aldy Rotem | — | (408) 425 1977 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alejandrino Perez Barrios | Alejandrino Perez Barrios | — | (408) 386 5131 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alejandro Franco Bazan | Alejandro Franco Bazan | — | (650) 474 1509 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |