| Alpha Acorns INC DBA Van Briggle Floors | Armando Hernandez Murguia | — | (408) 371 2003 | Other | Campbell · Santa Clara County | — | — |
| Alpha Electric | Moradi Karim | — | (408) 768 4403 | Electricians | San Jose · Santa Clara County | — | — |
| Alpha Fire Protection | Konkic Mensur | interested@domainmarket.com | (408) 202 1511 | Other | Campbell · Santa Clara County | — | — |
| Alpha Group Construction | Richard Mata | — | (408) 724 7046 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Alpha HVAC & Electrical | Arie Kfir Coriat | — | (408) 981 5346 | HVAC | San Jose · Santa Clara County | — | — |
| Alpha Marble And Granite | Alpha Marble And Granite | — | (408) 947 1541 | Other | Santa Clara · Santa Clara County | — | — |
| Alpha Mechanical HVAC | Alpha Mechanical HVAC | — | (408) 828 1393 | HVAC | San Jose · Santa Clara County | — | — |
| Alpha Omega Electric | Alpha Omega Electric | — | (408) 638-4019 | Electricians | Campbell · Santa Clara County | — | — |
| Alpha Omega Plumbing INC | Frank Nicola Nijmeh | — | (408) 622 8911 | Other | San Jose · Santa Clara County | — | — |
| Alpha Plumbing | Steven Allen Pollett | — | (408) 927 7096 | Other | San Jose · Santa Clara County | — | — |
| Alpha Pro Build INC | Razo Gabriel | — | (650) 384 7795 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alpha Pro Tile INC | Juan Carlos Garcia Orozco | — | (408) 836 0291 | Other | Los Gatos · Santa Clara County | — | — |
| Alphabet HVAC And Plumbing | Almasbek Uulu Uzak | — | (408) 780 1083 | HVAC | Mountain View · Santa Clara County | — | — |
| Alphapack Industries INC | Jayson James Hebler | — | (408) 455 8707 | Windows, patio, painters | Milpitas · Santa Clara County | — | — |
| Alpine Haus Construction INC | Huy Ngoc Le | — | (650) 223 5393 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Alpine Landscapes & Treecare | Ryan James Dinsmore | — | (408) 846 9511 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Alro Window Coverings | Alfred Angulo Robledo | — | (650) 847 4343 | Other | Mountain View · Santa Clara County | — | — |
| Als Gonzalez Construction INC | Lozano Agustin Gonzalez | — | (408) 426 1768 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alta Construction & Engineering INC | Mohammad Fahimi Abyaneh | — | (408) 417 4437 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Altap Electrical | Mostafazadeh Bahram | — | (408) 309 8290 | Electricians | San Jose · Santa Clara County | — | — |
| Alternative Power And Electric | Jeffrey William Sheets | — | (408) 605 3084 | Electricians | Saratoga · Santa Clara County | — | — |
| Alterra Construction | Jose Alberto Ramos | — | (408) 623 1810 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Altitude Plumbing | Altitude Plumbing | — | (408) 685 7906 | Other | San Jose · Santa Clara County | — | — |
| Alumawall INC | David Mark Warda | info@alumawall.com | (408) 292 6353 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alvarado Construction | Ulysses Evan Alvarado Negrete | — | (408) 600 6406 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Alvarado's Carpentry | Alvarado's Carpentry | — | (408) 710 4289 | Other | San Martin · Santa Clara County | — | — |
| Alvarez Fine Line Painting | Alvarez Fine Line Painting | — | (408) 661 2935 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Alvarez Landscaping | Alvarez Landscaping | — | (650) 248 3721 | Windows, patio, painters | Mountain View · Santa Clara County | — | — |
| Alvarez Painting | Alvarez Painting | interested@domainmarket.com | (408) 666 1407 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Alvarez's Modern Specialist Flooring | Alvarez's Modern Specialist Flooring | — | (408) 840 6653 | Other | San Jose · Santa Clara County | — | — |
| Alvco | Timothy Louis Alvarado | — | (408) 279 5531 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| Alvernaz Construction | Michael Anthony Alvernaz | — | (408) 595 2817 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| Alvord Electric | Robert Donald Alvord | — | (408) 674 8340 | Electricians | San Jose · Santa Clara County | — | — |
| Aly's Tree Trimming And Yard Clean-up | Apolinar Eliseo | — | (408) 280 6545 | Tree | San Jose · Santa Clara County | — | — |
| Am Co Concrete LLC | Marco Antonio Pacheco | — | (408) 717 3036 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Am Home Residential Contract | Am Home Residential Contract | — | (408) 421 5922 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Am Paving INC | Jose Manuel Rodriguez | interested@domainmarket.com | (408) 841 1283 | Other | San Jose · Santa Clara County | — | — |
| Am Pro Roofing INC | Michael Bryan Alva Coello | — | (408) 614 9466 | Other roofers | San Jose · Santa Clara County | — | — |
| Am Sons Drywall INC | Rodrigo Toledo Aguiar | — | (408) 286 4800 | Other | San Jose · Santa Clara County | — | — |
| Ama Quality Builders INC | Jose Luis Amaya Amaya | — | (408) 367 9577 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |