| Anchored INC | Samuel Isaiah Schinhofen | — | (714) 929 9317 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Anchored INC | Steven Jerome Schinhofen | — | (714) 929 9317 | Windows, patio, painters | Anaheim · Orange County | — | — |
| Anchors Aweigh Plumbing | Anchors Aweigh Plumbing | — | (714) 504 9475 | Other | Huntington Beach · Orange County | — | — |
| Anchorstrong Construction INC | Steven Michael Gribben | — | (424) 443 5480 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Anchorz Electric | Amauri Abarca | — | (714) 640 0147 | Electricians | Placentia · Orange County | — | — |
| Ancon Marine DBA Ancon | Blake Kenneth Hardin | — | (310) 933 6002 | Other | Huntington Beach · Orange County | — | — |
| Andaz Building Group INC | Harold Londono Alzate | — | (949) 388 8591 | GC, remodel, ADU | San Clemente · Orange County | — | — |
| Ander Construction Service INC | Mingyan Zhao | — | (626) 586 1999 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| Andersen Building Companies | Andersen Building Companies | — | (714) 815 6670 | GC, remodel, ADU | Orange · Orange County | — | — |
| Andersen's Door Service INC | James Vincent Jr Andersen | — | (714) 894 1116 | Other | Stanton · Orange County | — | — |
| Anderson & Howard Electric INC | Gregory Martin Elliott | — | (949) 250 4555 | Electricians | Irvine · Orange County | — | — |
| Anderson Air Conditioning LP An Ams Company | Geoffrey Ryan Thomas | — | (714) 888 6800 | HVAC | Fullerton · Orange County | — | — |
| Anderson Home Services | Dominic Anthony Anderson | — | (949) 973 7702 | GC, remodel, ADU | San Clemente · Orange County | — | — |
| Anderson Woodworks | Anderson Woodworks | — | (714) 655 1913 | Other | Huntington Beach · Orange County | — | — |
| Andra D Painting Restoration | Andra D Painting Restoration | — | (310) 707 3209 | Windows, patio, painters | Costa Mesa · Orange County | — | — |
| Andrade Landscape Maintenance | Andrade Landscape Maintenance | — | (949) 433 6587 | Windows, patio, painters | Costa Mesa · Orange County | — | — |
| Andre Countertops INC | Rymmy Fabian Andre-Lopez | — | (714) 290 7363 | Other | Fullerton · Orange County | — | — |
| Andre J Van Coller | Andre J Van Coller | — | (949) 212 1427 | Windows, patio, painters | Mission Viejo · Orange County | — | — |
| Andre Scott Nelson | Andre Scott Nelson | — | (714) 472 9600 | Other | Orange · Orange County | — | — |
| Andreas Fault Property Services | Laura-Alyssa Cipres | — | (949) 579 0977 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Andres D Lee | Andres D Lee | — | (714) 232 6949 | GC, remodel, ADU | Fullerton · Orange County | — | — |
| Andres Gordon Diaz | Andres Gordon Diaz | — | (949) 353 9941 | GC, remodel, ADU | Mission Viejo · Orange County | — | — |
| Andres Gurrola | Andres Gurrola | — | (714) 720 8373 | Other roofers | Santa Ana · Orange County | — | — |
| Andres Lazaro | Andres Lazaro | — | (949) 842 1391 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| Andreson Builders | Andreson Builders | — | (714) 392 6435 | Other | Westminster · Orange County | — | — |
| Andrew D Cooper Company | Thomas Emery Markos | — | (714) 991 4700 | HVAC | Anaheim · Orange County | — | — |
| Andrew Electric | Christopher Allen Holt | — | (619) 402 3047 | Electricians | San Juan Capistrano · Orange County | — | — |
| Andrew Foster Masonry | Andrew Foster Masonry | — | (949) 633 0754 | Other | Laguna Beach · Orange County | — | — |
| Andrew J Frogley | Andrew J Frogley | — | (808) 882 1680 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Andrew Jeeves | Andrew Jeeves | — | (714) 614 5877 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| Andrew Jilk Construction | Andrew Anthony Jilk | — | (562) 619 1309 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| Andrew L Youngquist - General Contractor | Andrew Lance Youngquist | — | (949) 632 4949 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Andrew Lee Miner | Andrew Lee Miner | — | (714) 403 1600 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Andrew M Rhee | Andrew M Rhee | — | (714) 280 6161 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Andrew Mark Kanda | Andrew Mark Kanda | — | (949) 421 8420 | Other | Trabuco Canyon · Orange County | — | — |
| Andrew Mc Cready | Andrew Mc Cready | — | (949) 370 2332 | Other | San Clemente · Orange County | — | — |
| Andrew Miles | Andrew Miles | — | (714) 469 4477 | Other | Seal Beach · Orange County | — | — |
| Andrew Morrison General Contractor | Andrew Morrison General Contractor | — | (949) 291 5384 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Andrew S Havican | Andrew S Havican | — | (714) 209 3962 | Electricians | Cypress · Orange County | — | — |
| Andrew Vidovich Construction Company | Andrew Frank Vidovich | — | (310) 779 1171 | GC, remodel, ADU | Ladera Ranch · Orange County | — | — |