| A D C Construction Management INC | Lorenzo Alberto Rios | — | (408) 297 1881 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A D M Custom Remodeling | A D M Custom Remodeling | — | (408) 398 3307 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| A D Window Services | Daniel Anthony Caballero | — | (408) 396 6889 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A Dariano Construction | Anthony John Dariano | — | (408) 592 7609 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| A Duran Construction | Arturo Duran Velazquez | — | (408) 387 4783 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A E S T Realty | Arthur Woo Wen Lin | — | (408) 865 1972 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A F General Contractors INC | Alexis Ferrer | — | (408) 691 5918 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A F S A Construction Company | Farzan Ali | — | (408) 913 3226 | HVAC | San Jose · Santa Clara County | — | — |
| A Fedair | A Fedair | afedair@gmail.com | (408) 607 0005 | HVAC | Morgan Hill · Santa Clara County | — | — |
| A G C INC | Elizabeth Anne Guinnane | — | (408) 369 6305 | HVAC | Campbell · Santa Clara County | — | — |
| A G Electrical INC | Rey Arturo Galindo Fernandez | — | (510) 200 4972 | Electricians | San Jose · Santa Clara County | — | — |
| A G K Home Solutions INC | Kartozia Avtandil | — | (408) 797 5555 | Windows, patio, painters | Cupertino · Santa Clara County | — | — |
| A G M Remodeling / Construction | Gonzalez Meraz Aurelio | — | (559) 715 9260 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A G S Landscape | A G S Landscape | — | (408) 597 6181 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A H Construction Co | Hernandez Agustin | sales@ahconstruction.com | (650) 799 8712 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A H J Remodeling | A H J Remodeling | — | (408) 828 6890 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| A Handy Contractor | A Handy Contractor | — | (408) 729 6222 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A Hughes Construction Company | Jeffrey Arthur Hughes | — | (408) 835 0040 | Other | Santa Clara · Santa Clara County | — | — |
| A Jacques Plumbing & Drain | A Jacques Plumbing & Drain | — | (408) 442 0630 | Other | San Jose · Santa Clara County | — | — |
| A K Construction Enterprises INC | Andy Matthew Kwitowski | — | (408) 465 2965 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| A L M Custom Painting | A L M Custom Painting | — | (408) 422 2867 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A L S Fire Protection INC | Alex Lawrence Smith | — | (408) 655 8974 | Other | San Jose · Santa Clara County | — | — |
| A M A Medina / Construction | Alaa Mohamed Abdelwahab | — | (408) 799 4071 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A M A Medina Construction | Alaa Mohamed Abdelwahab | — | (408) 799 4070 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A M Backflow | A M Backflow | — | (408) 761 4770 | Other | Saratoga · Santa Clara County | — | — |
| A M C Glass Co INC | Nat Quang Truong | information@amcglass.com | (408) 288 8206 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A M Drywall INC | Celestino Aguiar | — | (408) 286 4800 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A M Electrical Company | Asmir Avdic | — | (408) 206 0491 | Electricians | San Jose · Santa Clara County | — | — |
| A M F Electric | Antonio Miguel Flores | info@amfelectric.com | (408) 499 8634 | Electricians | Gilroy · Santa Clara County | — | — |
| A M F Fire Protection INC | Mendoza-fragoso Antonio | info@indiantypefoundry.com | (408) 886 1561 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| A M General Contractors INC | Celestino Aguiar | — | (408) 286 4800 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A M K Roofing | Jose Jorge Jimenez | amkroofing@amkroofing.com | (408) 937 6972 | Other roofers | San Jose · Santa Clara County | — | — |
| A M S Construction | Masroor Shalmani Armin | — | (415) 254 2634 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A M S Construction INC | Fazlollahi Farhad | — | (408) 244 0940 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| A M S Security Systems | A M S Security Systems | — | (408) 497 1027 | Electricians | San Jose · Santa Clara County | — | — |
| A M Star Construction INC | Kristine Wilhelmina Achkar | — | (888) 374 2326 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| A Martin Plumbing Co | Arthur Hubalde Martin | — | (408) 250 6150 | Other | San Jose · Santa Clara County | — | — |
| A Mayberry Adu | William Aaron Van Roo | hello@mayberryworkshop.com | (408) 294 7775 | HVAC | Santa Clara · Santa Clara County | — | — |
| A Munoz Landscape Construction INC | Munoz Rosas Antonio | — | (408) 779 2900 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| A N Construction | Arsenic Pajo | — | (408) 426 6343 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |