| Apb Construction | Michael James Skar | lhoward@apbconstruction.com | (408) 502 0728 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Apc Construction INC | Gonzalo Quiroz | — | (408) 314 7726 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apcor Mechanical | Uziel Abisai Aguilar | anapbm@gmail.com | (408) 912 6227 | HVAC | Gilroy · Santa Clara County | — | — |
| Apeak Construction | Mark Alan Logie | — | (408) 332 3866 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Apex Appliance Installation | Victor Manuel Jr Valladares | apex.appinstall@gmail.com | (408) 613 1719 | Other | Santa Clara · Santa Clara County | — | — |
| Apex Asphalt Paving | Apex Asphalt Paving | — | (408) 595 9084 | Other | San Jose · Santa Clara County | — | — |
| Apex Asphalt Paving | James Patrick Lazrovich | — | (408) 595 9084 | Other | San Jose · Santa Clara County | — | — |
| Apex Blueprint Construction LLC | Qian Hu | — | (408) 470 0336 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apex Builders Group INC | Ali Gharani | — | (408) 644 2021 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apex Business Services INC | Guiselle Socorro Morrone | — | (408) 947 2000 | Other | San Jose · Santa Clara County | — | — |
| Apex Concrete INC | Gustavo Jimenez | — | (408) 893 4690 | Other | Milpitas · Santa Clara County | — | — |
| Apex Design & Construction INC | Ruben Joseph Ojeda | contactapexdc@gmail.com | (408) 661 8580 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apex Design Build INC | Daniel Eugene Borelli | — | (650) 619 1827 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apex Directional Drilling | Apex Directional Drilling | — | (408) 849 6200 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Apex Marble INC | Rajvinder Singh | — | (408) 278 1300 | Other | San Jose · Santa Clara County | — | — |
| Apex Mechanical INC | Nathan Ryan D Fhurong | — | (408) 573 8260 | HVAC | Morgan Hill · Santa Clara County | — | — |
| Apex Network System INC | Quang Dinh Dang | — | (408) 966 4849 | Other | San Jose · Santa Clara County | — | — |
| Apex Roofing | Rodriguez Damian | info@apexroofing.com | (408) 607 0505 | Other roofers | Gilroy · Santa Clara County | — | — |
| Apex Tile Setters LLC | Javier Enriquez | — | (408) 609 1326 | Other | San Jose · Santa Clara County | — | — |
| Apexmillwork-casework | Hau Duc Nguyen | — | (408) 497 0071 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apollo Plumbing Services INC | Juan Luis Guevara-Mota | — | (650) 248 9857 | Other | East Palo Alto · Santa Clara County | — | — |
| Apollo Tb Electric | Ted Manny Bakelis | — | (408) 275 0880 | Electricians | San Jose · Santa Clara County | — | — |
| Appian Engineering INC | Robert James Alvey | — | (408) 490 1780 | Other | Santa Clara · Santa Clara County | — | — |
| Apple Electrical Services | Wyman Robert Apple | — | (650) 797 8889 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Applied Coverings | Applied Coverings | info@appliedcoverings.com | (415) 992 6794 | Other | San Jose · Santa Clara County | — | — |
| Applied Heat Mechanical Systems | Michael Laurence Obermayr | — | (650) 206 4605 | HVAC | Los Altos · Santa Clara County | — | — |
| Applied Power Technologies INC | Andrew Elliott Taylor | — | (408) 342 0790 | Electricians | San Jose · Santa Clara County | — | — |
| Applied Security Services | James Castillo Alvarado | — | (650) 222 6874 | Electricians | Mountain View · Santa Clara County | — | — |
| April Homes LLC | Rajni Singh | — | (408) 656 4371 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Aps Construction | Rickesh Kumar Lal | — | (408) 373 5455 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Apurba Floor Coverings LLC | Ahmad Fuad Rezaur Rahman | — | (408) 858 1304 | Other | Santa Clara · Santa Clara County | — | — |
| Aqs Painting & Finishing Custom Homes | Ubaldo Alejandro Quiroz Martinez | — | (650) 269 2290 | Windows, patio, painters | Sunnyvale · Santa Clara County | — | — |
| Aqsa Constructions | Faisal Bin Feroze | — | (669) 649 0709 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Aqua & Terra Landscaping Service | Luna Erasmo Arturo | — | (650) 713 7410 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Aqua Blue Swimming Pools Construction INC | Jose Francisco Ontiveros | — | (408) 295 7657 | Pool | San Jose · Santa Clara County | — | — |
| Aqua Chemists Cooling Tower Services | John Lawrence Coen | — | (408) 287 4300 | Other | San Jose · Santa Clara County | — | — |
| Aqua Clear Pool & Spa Service | David Alan Kohtz | — | (408) 281 1883 | Pool | San Jose · Santa Clara County | — | — |
| Aqua Flow Plumbing | Aqua Flow Plumbing | — | (408) 265 9504 | Other | San Jose · Santa Clara County | — | — |
| Aqua Fresh Plumbing | Aqua Fresh Plumbing | — | (650) 690-6302 | Other | Milpitas · Santa Clara County | — | — |
| Aqua Heating Systems INC | James Anthony Devlin | — | (408) 629 1395 | HVAC | San Jose · Santa Clara County | — | — |