| Andrew Yonghee Kwon | Andrew Yonghee Kwon | — | (213) 234 8452 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| Andrew's Drain Services | Guadarrama Andrew | — | (714) 884 1850 | Other | Stanton · Orange County | — | — |
| Andrew's General Construction INC | Zambrano Andres Padilla | — | (714) 760 5709 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Andrews Contracting INC | Mark Vincent Andrews | brittanyandrews3214@gmail.com | (714) 632 7339 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Andrews Electric Service | Andrew Keith Barney | — | (714) 815 4366 | Electricians | Orange · Orange County | — | — |
| Andri Construction | Steven Charles Andrijowych | agustinamingote@gmail.com | (949) 973 3966 | GC, remodel, ADU | Ladera Ranch · Orange County | — | — |
| Andromeda Construction INC | Ricardo Daniel Olivar Orellana | — | (949) 689 6992 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Andros Painting INC | Tonis Megariotis | — | (714) 998 4200 | Windows, patio, painters | Anaheim · Orange County | — | — |
| Andrus Plumbing Heating And Air Conditioning | Jeffrey Paul Ballard | — | (949) 245 2400 | HVAC | Laguna Beach · Orange County | — | — |
| Andtech Corporation | Andrew Jackson Benun | — | (714) 750 5500 | Electricians | Garden Grove · Orange County | — | — |
| Andy Cruz-saavedra | Andy Cruz-saavedra | — | (657) 554 7071 | Other | Fullerton · Orange County | — | — |
| Andy Jones Plumbing & Heating INC | Richard Andrew Jones | — | (562) 431 6721 | HVAC | Seal Beach · Orange County | — | — |
| Andy Loska | Andy Loska | — | (949) 338 1984 | Other | San Clemente · Orange County | — | — |
| Andy Tai Ho | Andy Tai Ho | — | (714) 655 6206 | GC, remodel, ADU | Tustin · Orange County | — | — |
| Andy's Plumbing | Andy's Plumbing | — | (949) 481 7084 | Other | San Juan Capistrano · Orange County | — | — |
| Andy's Plumbing Co | Ronquillo Tzompa Andres | — | (714) 875 9023 | Other | Tustin · Orange County | — | — |
| Andy's Pools INC | Andy Garcia | — | (714) 396 7929 | Pool | Orange · Orange County | — | — |
| Angel Developement | Angel Developement | — | (626) 786 4399 | GC, remodel, ADU | La Habra · Orange County | — | — |
| Angel Garcia | Angel Garcia | — | (714) 309 4655 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Angel HVAC | Angel HVAC | — | (714) 321 9145 | HVAC | Fullerton · Orange County | — | — |
| Angel Marin | Angel Marin | — | (714) 230 5507 | Electricians | Huntington Beach · Orange County | — | — |
| Angel Mosaic And Tile Services | Luis Angel Gutierrez Duarte | — | (714) 727 8804 | Other | Garden Grove · Orange County | — | — |
| Angel Nava Librado | Angel Nava Librado | — | (714) 393 3262 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Angel Painting Co | Richard Sun Kim | — | (714) 335 5176 | Windows, patio, painters | Garden Grove · Orange County | — | — |
| Angel Plumbing Co | Woon Young Suh | — | (714) 501 0033 | Other | Stanton · Orange County | — | — |
| Angel Ruiz | Angel Ruiz | — | (714) 686 9801 | Windows, patio, painters | Irvine · Orange County | — | — |
| Angel Torres DBA All Services And Repairs | Angel Luis Torres | — | (424) 381 8419 | Electricians | Fullerton · Orange County | — | — |
| Angel's Custom Plumbing | Angel's Custom Plumbing | — | (714) 474 6528 | Other | Costa Mesa · Orange County | — | — |
| Angel's Electric | Gonzalez Angel | — | (949) 244 5563 | Electricians | Costa Mesa · Orange County | — | — |
| Angel's Pools INC | Jose Angel Cruz | — | (714) 520 0004 | Pool | Anaheim · Orange County | — | — |
| Angel's Tree Service | Miguel Angel Cruz | — | (714) 279 0669 | Windows, patio, painters | Orange · Orange County | — | — |
| Angeles Construction & Restoration INC | Alberto Tomas Angeles Grijalba | — | (714) 420 8074 | GC, remodel, ADU | Fullerton · Orange County | — | — |
| Angeles Landscape & Maintenance | Angeles Landscape & Maintenance | — | (714) 932 5516 | Windows, patio, painters | Garden Grove · Orange County | — | — |
| Angeles Pool Plastering INC | Antonio Angeles Perez | — | (714) 296 6807 | Pool | Orange · Orange County | — | — |
| Angels Ornamental Iron INC | John Jin Kang | — | (714) 632 1700 | Other | Anaheim · Orange County | — | — |
| Angelus Waterproofing And Restoration INC | Shaun Kelly Geiger | — | (562) 941 7676 | Other roofers | Huntington Beach · Orange County | — | — |
| Angie Vos | Angie Vos | — | (714) 814 9322 | Other | Placentia · Orange County | — | — |
| Angus Smith Construction | Angus Kenneth Smith | — | (714) 538 1191 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Anh Ngoc Nguyen | Anh Ngoc Nguyen | — | (714) 865 0773 | GC, remodel, ADU | Westminster · Orange County | — | — |
| Anh Nguyen Construction | Anh Van Nguyen | — | (714) 580 8082 | GC, remodel, ADU | Garden Grove · Orange County | — | — |