| Advanced Conservation Systems INC | Stephen Michael Jenkins | — | (661) 945 4545 | GC, remodel, ADU | Lancaster · Los Angeles County | — | — |
| Advanced Construction | Geza Laszlo Horvath | — | (310) 926 5361 | GC, remodel, ADU | Mission Hills · Los Angeles County | — | — |
| Advanced Construction | Karen Galust Gemilyan | — | (818) 970 2072 | GC, remodel, ADU | Sherman Oaks · Los Angeles County | — | — |
| Advanced Construction | Luis Fernando Ledon | — | (818) 430 5487 | GC, remodel, ADU | San Fernando · Los Angeles County | — | — |
| Advanced Construction And Design INC | John Christopher Strain | — | (661) 434 9154 | GC, remodel, ADU | Lancaster · Los Angeles County | — | — |
| Advanced Construction Methods LLC | Raymond Aghakhani | — | (213) 548 0331 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Advanced Construction Services | Equis Jon | — | (917) 375 8217 | GC, remodel, ADU | Van Nuys · Los Angeles County | — | — |
| Advanced Construction Technology | Mehrinfar Said | — | (213) 322 2162 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| Advanced Contractors INC | Majorie Peters | — | (310) 320 3803 | Electricians | Torrance · Los Angeles County | — | — |
| Advanced Cooling And Heating | Advanced Cooling And Heating | — | (323) 828 6043 | HVAC | Northridge · Los Angeles County | — | — |
| Advanced Demolition INC | Maureen Anne Kerrigan | — | (818) 793 2531 | GC, remodel, ADU | Van Nuys · Los Angeles County | — | — |
| Advanced Design Construction INC | John Patrick Kolt | — | (661) 247 9498 | GC, remodel, ADU | Valencia · Los Angeles County | — | — |
| Advanced Development | Thomas Trevino Padilla | — | (818) 744 4800 | GC, remodel, ADU | West Hills · Los Angeles County | — | — |
| Advanced Electric Professionals | Han Li | — | (626) 428 9728 | Electricians | La Puente · Los Angeles County | — | — |
| Advanced Electrical & Communications INC | Paul Charles Neuenswander | — | (818) 468 5320 | Electricians | Agua Dulce · Los Angeles County | — | — |
| Advanced Electrical And Refrigeration INC | Garcia Guillermo | — | (562) 355 0081 | HVAC | Hacienda Heights · Los Angeles County | — | — |
| Advanced Electrical Contractors | James Craig Fostrey | interested@domainmarket.com | (818) 952 1811 | Electricians | Montrose · Los Angeles County | — | — |
| Advanced Electrical Services INC | Atef Alsarhan | — | (661) 373 0882 | Electricians | Canyon Country · Los Angeles County | — | — |
| Advanced Electrical Support INC | Jose Miguel Santos Martinez | jose.santos@electricalaes.com | (213) 915 9225 | Electricians | Los Angeles · Los Angeles County | — | — |
| Advanced Electrical Technologies | Robert Lewis Bagley | — | (310) 245 7359 | Electricians | Hawaiian Gardens · Los Angeles County | — | — |
| Advanced Energy Compliance LLC | Paul Neuenswander | — | (818) 473 0797 | Electricians | Agua Dulce · Los Angeles County | — | — |
| Advanced Fire Control INC | Basel Salim Malih | — | (818) 472 1215 | Electricians | Valencia · Los Angeles County | — | — |
| Advanced Fire Protection INC | Sourik Gasparian | — | (818) 901 2140 | Electricians | Van Nuys · Los Angeles County | — | — |
| Advanced Fuel And Energy Development INC | Scott Richard Degrandcourt | — | (909) 877 4477 | GC, remodel, ADU | San Dimas · Los Angeles County | — | — |
| Advanced General Construction | Araujo Rudy | — | (818) 239 6979 | GC, remodel, ADU | Van Nuys · Los Angeles County | — | — |
| Advanced Glazing Solutions INC | George Edward Heagle | — | (818) 441 9473 | Windows, patio, painters | South El Monte · Los Angeles County | — | — |
| Advanced Heating And Air Conditioning Co INC | Eric Paschal | — | (818) 503 9200 | HVAC | N Hollywood · Los Angeles County | — | — |
| Advanced Home Technologies | Advanced Home Technologies | — | (818) 635 9429 | Other | Granada Hills · Los Angeles County | — | — |
| Advanced Homes | Thomas Jon Beal | tom@advancedhomes.com | (818) 881 3179 | Electricians | Tarzana · Los Angeles County | — | — |
| Advanced Jet & Rooter LLC | Jequar Lorenzo Smith | — | (323) 453 9487 | Other | Santa Clarita · Los Angeles County | — | — |
| Advanced Landscape 2000 INC | Ishai Klir | — | (818) 591 2345 | Windows, patio, painters | Sylmar · Los Angeles County | — | — |
| Advanced Maintenance INC | Javier Emilio Corona | — | (323) 997 6625 | HVAC | Pico Rivera · Los Angeles County | — | — |
| Advanced Masonry & Concrete | Walter Roy Grooms | — | (626) 961 8781 | Other | Hacienda Heights · Los Angeles County | — | — |
| Advanced Nexus Designs LLC | Cesar Ramon Barreto | — | (310) 600 7029 | Other | Torrance · Los Angeles County | — | — |
| Advanced Painting Contractors Co INC | Blake Thomas Mirabito | — | (310) 318 2333 | GC, remodel, ADU | Hawthorne · Los Angeles County | — | — |
| Advanced Plumbing Heating And Air Conditioning INC | Craig Stanley Frise | — | (909) 592 5733 | HVAC | San Dimas · Los Angeles County | — | — |
| Advanced Plumbing Solutions INC | Omar E Martinez Medrano | — | (626) 252 8697 | Other | Baldwin Park · Los Angeles County | — | — |
| Advanced Polyurea Coatings INC | Joseph Philip Rodriguez | — | (818) 254 7099 | Windows, patio, painters | Glendale · Los Angeles County | — | — |
| Advanced Pools & Spas INC | Monte Newell Mc Cubbin | — | (818) 352 2995 | Pool | Tujunga · Los Angeles County | — | — |
| Advanced Pro Electric | Alex Semerjian | — | (818) 923 3500 | Electricians | North Hollywood · Los Angeles County | — | — |