| Anh Van Nguyen | Anh Van Nguyen | — | (714) 614 1773 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Anna Dwinger Interiors LLC | Pieter Norman Dwinger | contact@annadwingerinteriors.com | (714) 865 0613 | GC, remodel, ADU | Orange · Orange County | — | — |
| Annesi Plumbing & Heating | John Michael Annesi | — | (714) 642 8803 | HVAC | Huntington Beach · Orange County | — | — |
| Annex Integrations INC | Matthew Daniel Siapin | — | (949) 423 5374 | Electricians | Costa Mesa · Orange County | — | — |
| Anointek INC | Joon Hyun Nam | — | (949) 372 8831 | Electricians | Irvine · Orange County | — | — |
| Anointekus INC | Hyun Chul Kim | — | (949) 533 4147 | Electricians | Anaheim · Orange County | — | — |
| Anp Networks Corporation | Rogelio Alfredo Torres Avina | — | (949) 215 2616 | Electricians | Lake Forest · Orange County | — | — |
| Anr Roofing & Waterproofing | Alejandro Noe Rodriguez | — | (949) 836 2479 | Other roofers | Costa Mesa · Orange County | — | — |
| Ant Tena Handyman | Ant Tena Handyman | — | (949) 485 8458 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| Antamconcepts | Phuong T Quan | — | (714) 417 3822 | GC, remodel, ADU | Westminster · Orange County | — | — |
| Anthony Armas Plastering | Anthony Armas Plastering | — | (714) 865 3155 | Other | Anaheim · Orange County | — | — |
| Anthony Ayala | Anthony Ayala | — | (714) 235 9165 | Other | Huntington Beach · Orange County | — | — |
| Anthony Cardinale's Millwork Service | Anthony James Cardinale | — | (949) 364 5534 | Other | San Juan Capistrano · Orange County | — | — |
| Anthony Chau | Anthony Chau | — | (714) 697 0585 | GC, remodel, ADU | Midway City · Orange County | — | — |
| Anthony D Gonzales | Anthony D Gonzales | — | (949) 257 8012 | GC, remodel, ADU | Rancho Santa Margarita · Orange County | — | — |
| Anthony Electric | James Anthony Chiapuzio | geno@anthonyelectric.com | (323) 353-1149 | Electricians | Anaheim · Orange County | — | — |
| Anthony Everett Development INC | Robert Kelly Rodgers | — | (714) 745 1121 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| Anthony George Loesch | Anthony George Loesch | — | (714) 791 3333 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Anthony Ho | Anthony Ho | — | (714) 797 4448 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Anthony John Vaccaro DBA A J Project Management | A J Project Management | — | (949) 500 2864 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Anthony Mitani Masonry Company | Anthony Fred Mitani | — | (714) 981 0471 | Other | Costa Mesa · Orange County | — | — |
| Anthony Pashko Kalaj | Anthony Pashko Kalaj | — | (562) 755 2008 | Windows, patio, painters | Santa Ana · Orange County | — | — |
| Anthony Paul Kedzo | Anthony Paul Kedzo | — | (949) 616 4247 | GC, remodel, ADU | Laguna Hills · Orange County | — | — |
| Anthony Plumbing | Anthony Plumbing | — | (949) 742 0273 | Other | Rancho Santa Margarita · Orange County | — | — |
| Anthony Pools And Spas | Anthony Pools And Spas | — | (714) 443 9630 | Pool | Buena Park · Orange County | — | — |
| Anthony Q Construction INC | Marco Anthony Quesada | — | (909) 292 8887 | GC, remodel, ADU | Brea · Orange County | — | — |
| Anthony Thong DBA Cosmo Construction | Thong Anthony | — | (714) 763 6228 | GC, remodel, ADU | Garden Grove · Orange County | — | — |
| Anthony's Air Conditioning And Heating INC | Anthony Elias | — | (714) 606 3103 | HVAC | Yorba Linda · Orange County | — | — |
| Anthony's Painting | Anthony's Painting | — | (949) 500 3075 | Windows, patio, painters | Costa Mesa · Orange County | — | — |
| Anthony's Painting & Design INC | Anthony Duane Lima | — | (949) 434 6066 | Windows, patio, painters | Santa Ana · Orange County | — | — |
| Anthony's Reliable Heating & Air Conditioning | Anthony Ross Peritore | — | (714) 469 3913 | HVAC | Fullerton · Orange County | — | — |
| Antis Roofing & Waterproofing LLC | Charles Gerald Antis | — | (949) 461 9222 | Other roofers | Irvine · Orange County | — | — |
| Anton Popovskyi | Anton Popovskyi | — | (657) 550 8427 | GC, remodel, ADU | Aliso Viejo · Orange County | — | — |
| Antonbuilder | Anh That Ton | — | (714) 748 1680 | GC, remodel, ADU | Garden Grove · Orange County | — | — |
| Antonio Catini | Antonio Catini | — | (714) 964 5382 | GC, remodel, ADU | Fountain Valley · Orange County | — | — |
| Antonio Garcia | Antonio Garcia | — | (714) 982 9094 | Other | Fullerton · Orange County | — | — |
| Antonio Marcelo Construction INC | Eligio Antonio Marcelo Olivares | — | (714) 206 0083 | GC, remodel, ADU | Orange · Orange County | — | — |
| Antonio Valdez Garcia DBA Wide Turn Electric | Valdez Garcia Antonio | — | (714) 884 5539 | Electricians | Santa Ana · Orange County | — | — |
| Anvil Construction Company INC | Kimberly Dean Jackson | — | (949) 825 7580 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Anything Electric.net | Michael Todd Lorton | — | (949) 292 6142 | Electricians | Mission Viejo · Orange County | — | — |