| Amado's Painting | Amado's Painting | — | (408) 605 9520 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Amador Concrete | Amador Concrete | — | (408) 489 6322 | Other | Santa Clara · Santa Clara County | — | — |
| Amaro Corp | Seyed Reza Khadivi Fard | — | (408) 674 1779 | Electricians | Campbell · Santa Clara County | — | — |
| Amaya's Concrete | Amaya's Concrete | amayasconcrete@aol.com | (408) 779-1453 | Other | San Martin · Santa Clara County | — | — |
| Amazing Demolition INC | Rosalba Guzman | — | (408) 661 5003 | Other | San Jose · Santa Clara County | — | — |
| Amazing Land INC | Jose Luis Arias Davila | — | (408) 599 4153 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Amber Construction | Nasser Honarvar Mahallati | info@amberconstruction.com | (408) 509 3444 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Ambience Garden Design INC | Christina Amelia Jauregui | — | (408) 990 6999 | Windows, patio, painters | Sunnyvale · Santa Clara County | — | — |
| Amc Bay Area General Construction LLC | Javier Sainz Figueroa | — | (408) 595 4151 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Amc General Construction | Quang Dinh Nguyen | — | (408) 309 2112 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Amco & Associates Construction Company INC | Denis Colic | — | (408) 434 6601 | Electricians | San Jose · Santa Clara County | — | — |
| Amd Construct LLC | Radoslav Denchev Raklev | — | (650) 669 0447 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Ameca Construction Corp | Jose Ignacio Diaz Gomez | — | (509) 398 3059 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Amed LLC | Mehmet Cakmak | — | (650) 521 6431 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Ameera Enterprises INC | Randall Michael White | — | (310) 704 0801 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| America's Construction Clean | Jesus I Ramirez | — | (408) 504 1762 | Other | Santa Clara · Santa Clara County | — | — |
| American Beverage Equipment INC | David Joseph Artacho | — | (408) 453 6321 | HVAC | San Jose · Santa Clara County | — | — |
| American Builder & Electrical INC | Ricardo Andres Carrasco | — | (650) 660 5050 | HVAC | San Jose · Santa Clara County | — | — |
| American Building Construction | Ketabforoush Poulad | — | (408) 920 0575 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| American Coast Heating & Cooling | American Coast Heating & Cooling | — | (831) 809 5551 | HVAC | Gilroy · Santa Clara County | — | — |
| American Construction | Rene Efrain Santamaria | — | (669) 216 8190 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| American Construction & Excavation INC | Shane Michael Kavanagh | — | (650) 444 2338 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| American Drilling INC | Richard Earl Jr Benedetti | dave@americandrilling.com | (408) 795 1700 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| American Eagle Systems INC | John Danny Morgan | — | (408) 968 8982 | Electricians | Campbell · Santa Clara County | — | — |
| American Engineering Construction | Juan Carlos Hernandez | — | (408) 891 0385 | Other | San Jose · Santa Clara County | — | — |
| American Green Energy | Felix J Jimenez | — | (408) 613 3088 | Electricians | San Jose · Santa Clara County | — | — |
| American Home Plumbing Service | Raheb Ahmad Rabi | — | (408) 770 6873 | Other | San Jose · Santa Clara County | — | — |
| American Innovative Building Maintenance INC | Nuno Rafael Velasco | — | (408) 428 2493 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| American Mechanical Systems | American Mechanical Systems | — | (408) 791 5402 | HVAC | Santa Clara · Santa Clara County | — | — |
| American Mirador INC #4 | Gracie Guerra Cortez | — | (408) 370 2252 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| American Paint Finishes | American Paint Finishes | — | (408) 709 0718 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| American Quality Garage Door Co | Gilbert Manual Estupinan | — | (408) 509 5814 | Other | Gilroy · Santa Clara County | — | — |
| American Rigging & Relocation Systems INC | William Owen Belcher | — | (408) 998 8555 | Other | San Jose · Santa Clara County | — | — |
| American Safe Company INC | Scott Edward Crawford | — | (888) 524 1501 | Electricians | San Jose · Santa Clara County | — | — |
| American Security Team INC | Joshua Michael Finn | interested@domainmarket.com | (808) 469 1955 | Alarm and generators | San Jose · Santa Clara County | — | — |
| American Steel & Stairways INC | Vollrath Martin | — | (408) 848 2992 | Other | Gilroy · Santa Clara County | — | — |
| American Tree Care INC | Elizabeth Baltierra | — | (831) 789 4854 | Other | San Jose · Santa Clara County | — | — |
| American Vision Windows | American Vision Windows | — | (408) 869-1820 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| American Window Specialist INC | Dain Dwayne Schloss | — | (408) 726 6036 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| American Window Tinting Co | Edward Fritz Iii Roth | — | (408) 655 5782 | Other | Morgan Hill · Santa Clara County | — | — |