| A Greener Tomorrow INC | Luis Uribe | — | (310) 915 0722 | Windows, patio, painters | Culver City · Los Angeles County | — | — |
| A Gutierrez Roofing Co | Aquileo Vega Gutierrez | — | (323) 583 0745 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A H Accord Group INC | Patrick Sin Chiu | — | (626) 272 7058 | Electricians | San Gabriel · Los Angeles County | — | — |
| A H Electric | Hernandez Adam | — | (626) 393 6253 | Electricians | West Covina · Los Angeles County | — | — |
| A H Flores INC | David Flores | — | (818) 764 0058 | HVAC | North Hollywood · Los Angeles County | — | — |
| A H H C | A H H C | — | (323) 401 5265 | GC, remodel, ADU | Montebello · Los Angeles County | — | — |
| A H Plumbing | Hyman Avraham | — | (818) 631 2231 | Other | Van Nuys · Los Angeles County | — | — |
| A H R Company | Arturo Carachure | — | (562) 422 1183 | Other roofers | Long Beach · Los Angeles County | — | — |
| A H Reliable Electric | Hadad Almog | — | (818) 402 5300 | Electricians | West Hills · Los Angeles County | — | — |
| A H S Consulting & Construction | Amir Homayoan Shaterian | — | (310) 804 3676 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| A H S Protection | Sevak Zadourian | — | (818) 731 2002 | Other | Glendale · Los Angeles County | — | — |
| A Harari Construction | Harari Ayelet | — | (877) 730 4221 | GC, remodel, ADU | Valley Village · Los Angeles County | — | — |
| A I A Flooring | A I A Flooring | — | (323) 314 6745 | Other | Los Angeles · Los Angeles County | — | — |
| A I Construction Solutions INC | Alex Indzheyan | — | (747) 474 1215 | GC, remodel, ADU | Burbank · Los Angeles County | — | — |
| A I E M Electric | Tadevosian Arnold | — | (818) 504 8171 | Electricians | Sun Valley · Los Angeles County | — | — |
| A I P Construction | Pulido Alejandro | — | (310) 629 1210 | GC, remodel, ADU | Lynwood · Los Angeles County | — | — |
| A I Plumbing | A I Plumbing | — | (323) 855 2764 | Other | Panorama City · Los Angeles County | — | — |
| A Infiniti Construction INC | Saeed Saidfar | — | (310) 721 5488 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| A Installation | A Installation | — | (818) 462 3235 | Other | Woodland Hills · Los Angeles County | — | — |
| A J & J Painting INC | Ramirez Jorge | — | (818) 763 8992 | GC, remodel, ADU | Studio City · Los Angeles County | — | — |
| A J And Company INC | Arturo Padilla Garcia | — | (323) 816 6600 | HVAC | Montebello · Los Angeles County | — | — |
| A J C Concrete INC | George Armando Scala | — | (626) 918 4620 | Other | West Covina · Los Angeles County | — | — |
| A J Delgado Construction | Adon Jr Delgado | — | (818) 620 0068 | GC, remodel, ADU | West Hills · Los Angeles County | — | — |
| A J Electric | Haberfeld Avi | — | (310) 666 7551 | Electricians | Malibu · Los Angeles County | — | — |
| A J Engineering & Construction INC | Andrzej Andrew Jagoda | — | (818) 343 5787 | GC, remodel, ADU | Tarzana · Los Angeles County | — | — |
| A J Excavation | Jimenez Alberto Alonso | — | (323) 587 3934 | Other | Los Angeles · Los Angeles County | — | — |
| A J Fistes Corporation | Anastasios Jacob Fistes | — | (424) 536 3142 | GC, remodel, ADU | San Pedro · Los Angeles County | — | — |
| A J General Engineering & Consulting | Jimenez Antonio | — | (562) 355 3598 | Electricians | Lakewood · Los Angeles County | — | — |
| A J K Construction INC | Carlos Alberto Pena | — | (310) 502 7827 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| A J Khair Construction INC | Demitri Samaha | — | (323) 822 2378 | GC, remodel, ADU | West Hollywood · Los Angeles County | — | — |
| A J M Construction Services INC | Roark Clancy Parks | — | (310) 713 0441 | GC, remodel, ADU | Torrance · Los Angeles County | — | — |
| A J M General Construction Company INC | Jose Alberto Merino | — | (818) 373 9567 | GC, remodel, ADU | Lakewood · Los Angeles County | — | — |
| A J Mersola | A J Mersola | — | (818) 266 4987 | GC, remodel, ADU | Burbank · Los Angeles County | — | — |
| A J Overhead Doors | A J Overhead Doors | — | (818) 395 9696 | Other | La Puente · Los Angeles County | — | — |
| A J Padelford & Son INC | Diane Ilene Young | — | (562) 924 3364 | GC, remodel, ADU | Artesia · Los Angeles County | — | — |
| A J Painting | A J Painting | — | (424) 427 9032 | Windows, patio, painters | Compton · Los Angeles County | — | — |
| A J Power Solutions INC | Young Chul Kim | hyd@ajpowersolutions.com | (213) 792 5444 | Electricians | Los Angeles · Los Angeles County | — | — |
| A J Raingutters | A J Raingutters | — | (818) 568 3434 | Other | Pasadena · Los Angeles County | — | — |
| A J Roofing And Infrared Inspection INC | Remigiusz Przemyslaw Czarnecki | — | (818) 362 3199 | Other roofers | Sun Valley · Los Angeles County | — | — |
| A J S Construction | Steven John Srour | — | (818) 642 9700 | GC, remodel, ADU | Toluca Lake · Los Angeles County | — | — |