| Absolute Power INC | Julio Jr Mendoza | — | (408) 449 9010 | Electricians | San Jose · Santa Clara County | — | — |
| Absolute Stone & Tile INC | Aguilar Humberto Barboza | — | (408) 714 8451 | Other | San Jose · Santa Clara County | — | — |
| Absolute Tree Care | Absolute Tree Care | — | (408) 234 6798 | Tree | San Jose · Santa Clara County | — | — |
| Abstract Construction | Amir Houshang Pishgahi | — | (408) 809 6550 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| AC Concrete | AC Concrete | — | (408) 687 0506 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| AC Garage Doors INC | Perez Lazaro Morales | — | (408) 347 1929 | Other | San Jose · Santa Clara County | — | — |
| Acacia | Brett Richard Cain | — | (541) 654 7048 | Windows, patio, painters | Milpitas · Santa Clara County | — | — |
| Acanthus Cabinetry INC | Duane William Kegley | — | (408) 693 0798 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Accel Fire Protection Services | Huong Giang Thi Tran | — | (408) 205 4407 | Other | San Jose · Santa Clara County | — | — |
| Accent Tile And Marble | Roger Manuel Silva | — | (408) 842 0413 | Other | Gilroy · Santa Clara County | — | — |
| Accent Window Systems INC | Anthony Allen Deocampo | — | (408) 227 7777 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Access Commerical Door Company | Armando Castaneda Rosales | — | (408) 448 2232 | Other | San Jose · Santa Clara County | — | — |
| Access Control And Video Systems INC | William Bruce Wilson | — | (408) 438 7069 | Other | Santa Clara · Santa Clara County | — | — |
| Access Development Group INC | Paydar Mike | info@accessdevelopmentgroup.com | (408) 307 2897 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Accolade Painting | Thomas John Alessi | — | (408) 225 1700 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Accolade Restoration INC | Anthony John Cuellar | — | (650) 387 8524 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Ace Asphalt | Ace Asphalt | — | (831) 539 6790 | Other | Morgan Hill · Santa Clara County | — | — |
| Ace Electrical INC | Alfred Jr Chacon | — | (408) 307 2424 | Electricians | San Jose · Santa Clara County | — | — |
| Ace Fence & Gate | Ace Fence & Gate | — | (831) 245 9563 | Other | Sunnyvale · Santa Clara County | — | — |
| Ace Fire Equipment & Service Co INC | Morgan Muller Jones | — | (650) 321 7440 | Other | Palo Alto · Santa Clara County | — | — |
| Ace Mechanical | Ace Mechanical | info@ace-mechanical.com | (408) 430 9713 | HVAC | Gilroy · Santa Clara County | — | — |
| Ace Plumbing Pro | Ace Plumbing Pro | info@aceplumbingpro.com | (408) 318 2109 | Other | San Jose · Santa Clara County | — | — |
| Ace Property Management Inc. | Ace Property Management Inc. | — | (408) 217-2882 | Property managers | Sunnyvale · Santa Clara County | — | — |
| Ace's Tile & Granite | Ace's Tile & Granite | — | (408) 691 5541 | Other | Gilroy · Santa Clara County | — | — |
| Acento Painting & Decorating | Morales Cesar Mancilla | — | (408) 679 8642 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Aces Air | Aces Air | — | (408) 506 5631 | HVAC | San Jose · Santa Clara County | — | — |
| Acevedo's Drywall | Acevedo's Drywall | — | (408) 310 6449 | Other | San Jose · Santa Clara County | — | — |
| Achilles Electric INC | Alejandro Lopez Garcia | achilleselectric1@gmail.com | (650) 630 3565 | Electricians | East Palo Alto · Santa Clara County | — | — |
| Aci Construction | Mitsukazu Andres Orozco | — | (650) 576 6621 | Electricians | San Jose · Santa Clara County | — | — |
| Aci Construction INC DBA Red Construction Services | Aldo Cesar Castellanos Contreras | — | (408) 838 5543 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Aclara Consulting | Aclara Consulting | — | (408) 228 7526 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Acme Roofing Services INC | Hector Lopez Gonzalez | — | (408) 482 3883 | Other roofers | Morgan Hill · Santa Clara County | — | — |
| Acon Builders Construction INC | Lun Chuen Chan | — | (408) 980 1388 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Acosta Floor Coverings | Acosta Floor Coverings | — | (408) 337 7010 | Other | San Jose · Santa Clara County | — | — |
| Acosta Renovations | Manuel G Acosta | — | (408) 706 6194 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Acqua Pura Pool Services INC | David Mario Guslani | — | (650) 322 3332 | Pool | Los Altos · Santa Clara County | — | — |
| Act2ev LLC | Megan Van Horn Reger | — | (408) 640 3267 | Other | Los Gatos · Santa Clara County | — | — |
| Actin Construction | Bryan Hyun Huh | — | (408) 865 0404 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Action Garage Doors | Action Garage Doors | — | (408) 379 2000 | Other | San Jose · Santa Clara County | — | — |
| Action Landscaping | Action Landscaping | — | (916) 413 6599 | Windows, patio, painters | San Jose · Santa Clara County | — | — |