| A & E Construction & Painting INC | Everts Alejandro Alas | — | (818) 968 8561 | GC, remodel, ADU | Van Nuys · Los Angeles County | — | — |
| A & E Floor And Window Coverings | Matilda Dahan | — | (818) 652 5033 | Other | Sherman Oaks · Los Angeles County | — | — |
| A & E Flooring & Carpet Sales Corp | Erik Y Figueroa-Lavega | — | (562) 630 7300 | Other | Long Beach · Los Angeles County | — | — |
| A & E Painting | A & E Painting | — | (213) 210 3369 | Windows, patio, painters | Torrance · Los Angeles County | — | — |
| A & E Painting Company | Andrew Damien Hillsey | — | (562) 577 3802 | Windows, patio, painters | Lakewood · Los Angeles County | — | — |
| A & F Automation Control INC | Obed Fernando Aguirre Torres | — | (818) 675 1398 | Electricians | Acton · Los Angeles County | — | — |
| A & F Electric INC | Richard Charles Horsley | — | (909) 592 2906 | Electricians | San Dimas · Los Angeles County | — | — |
| A & F Investors INC DBA Quality Cabinets And Millwork | Alvaro Eli Cabrera Vega | — | (818) 741 5444 | Other | Sylmar · Los Angeles County | — | — |
| A & F Painting | Fidel Alvarado-Jimenez | — | (818) 929 4351 | GC, remodel, ADU | Van Nuys · Los Angeles County | — | — |
| A & F Pro Painting INC | Fernando O Camarena Ortega | — | (310) 986 5781 | Windows, patio, painters | Carson · Los Angeles County | — | — |
| A & G Diamond Tile Corp | Lizette Yvette Guerrero | — | (661) 733 5006 | GC, remodel, ADU | Lancaster · Los Angeles County | — | — |
| A & G Electric | Alfredo Erwin Yede | — | (818) 497 7032 | Electricians | Sylmar · Los Angeles County | — | — |
| A & G Plastering INC | Morado Alvaro Gutierrez | — | (310) 686 5715 | GC, remodel, ADU | Inglewood · Los Angeles County | — | — |
| A & G Remodeling And Repairs | Gabriel Christian Miranda | — | (818) 681 4134 | GC, remodel, ADU | Lancaster · Los Angeles County | — | — |
| A & G Sales | Todd Alan Griffith | — | (562) 803 1888 | Other | Downey · Los Angeles County | — | — |
| A & G Sign | A & G Sign | — | (626) 794 3336 | Other | Pasadena · Los Angeles County | — | — |
| A & G Valley General Remodeling | Gonzalez Cabezas Alberto | — | (323) 807 0756 | GC, remodel, ADU | Palmdale · Los Angeles County | — | — |
| A & H Investments INC DBA Fantastic Vinyl Fencing | Arthur Karapetyan | — | (323) 428 4034 | Other | Baldwin Park · Los Angeles County | — | — |
| A & I Air Conditioning Services | Abnoos Armineh Keshish | — | (818) 468 7887 | HVAC | Sunland · Los Angeles County | — | — |
| A & J All Woodworks | A & J All Woodworks | — | (818) 335 3834 | Other | Northridge · Los Angeles County | — | — |
| A & J Contracting | Robert Refugio Carrasco | — | (909) 618 5804 | GC, remodel, ADU | Glendora · Los Angeles County | — | — |
| A & J Custom Quality Painting | Alex Dagoberto Moran | — | (310) 951 8788 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| A & J Duct Cleaning INC | Annette Louise Mathis | — | (323) 787 0788 | Other | Los Angeles · Los Angeles County | — | — |
| A & J General Roofing INC | Abraham Renteria Rincon | — | (562) 436 0936 | Other roofers | Long Beach · Los Angeles County | — | — |
| A & J Legacy Awning | Andres Francisco Pretzantzin Soch | — | (747) 323 5331 | Other | Sylmar · Los Angeles County | — | — |
| A & J Plumbing And Rooter | Armando Jr Fernandez | — | (310) 629 1830 | GC, remodel, ADU | Wilmington · Los Angeles County | — | — |
| A & J Plumbing Construction Services | Juan Gabriel Mosqueda | — | (310) 613 1347 | Other | Compton · Los Angeles County | — | — |
| A & J Roofing Service Corp | Estevan Javier | roofservice101@gmail.com | (323) 266 3156 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A & J Tree Care INC | Rolando Robles | — | (909) 618 4551 | Windows, patio, painters | Pomona · Los Angeles County | — | — |
| A & J Tree INC | Jose Guadalupe Jauregui | — | (818) 321 3741 | Tree | Reseda · Los Angeles County | — | — |
| A & K Carpet And Flooring A Partnership | Guadalupe Ramirez | — | (562) 244 5705 | Other | Long Beach · Los Angeles County | — | — |
| A & L Communications INC | Luis Fernando Cuevas-chagoyan | — | (818) 720 7893 | Other | North Hills · Los Angeles County | — | — |
| A & L Operating Services INC | Antony Henrik Lovdokken | — | (818) 771 0887 | Other | Shadow Hills · Los Angeles County | — | — |
| A & M Builders Group INC | Nick| Nikkhoo Abbas Navid Nikkhoo | — | (310) 913 1605 | GC, remodel, ADU | Tarzana · Los Angeles County | — | — |
| A & M Construction | Zaczyk Maciej | — | (310) 770 1070 | GC, remodel, ADU | Culver City · Los Angeles County | — | — |
| A & M Construction Co | Ali Hosien Mikhchi | — | (818) 674 2375 | GC, remodel, ADU | Woodland Hills · Los Angeles County | — | — |
| A & M Development Co | Ashley Kim | — | (310) 710 3842 | GC, remodel, ADU | San Pedro · Los Angeles County | — | — |
| A & M Garage Doors & Gates | Angel Octavio Valencia | — | (818) 269 0138 | Other | Porter Ranch · Los Angeles County | — | — |
| A & M Heating & Air Conditioning | Stephen Shaun Mitchell | — | (626) 359 6637 | HVAC | Monrovia · Los Angeles County | — | — |
| A & M Landscaping | Juan Jose Hernandez | — | (310) 487 3228 | GC, remodel, ADU | Inglewood · Los Angeles County | — | — |