| 1977 Construction INC | Jose Gutierrez-Arriaga | — | (818) 900 5278 | Other roofers | Studio City · Los Angeles County | — | — |
| 2gun Roofing INC | Anthony Michael Tavera | — | (818) 245 2404 | Other roofers | Palmdale · Los Angeles County | — | — |
| 2ne1 Roofing | Jeong Kang | — | (213) 925 6677 | Other roofers | Los Angeles · Los Angeles County | — | — |
| 396 Roofing | Francisco Javier Diaz Acosta | — | (818) 913 1248 | Other roofers | Arleta · Los Angeles County | — | — |
| 4 Seasons Roofing | Jose Jr Alvarez | — | (818) 810 9987 | Other roofers | North Hills · Los Angeles County | — | — |
| 4 Seasons Roofing INC | Anibal Frias Cabral | — | (323) 726 9615 | Other roofers | Montebello · Los Angeles County | — | — |
| 5 Star Construction INC | Munguia Jose | — | (214) 475 2664 | Other roofers | Woodland Hills · Los Angeles County | — | — |
| 7 Day Roofing | Zhiqiang Chen | — | (626) 234 0897 | Other roofers | Temple City · Los Angeles County | — | — |
| 701 Roofing INC | La Paz Amos De | — | (562) 726 7480 | Other roofers | 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 Roofing Service Corp | Estevan Javier | roofservice101@gmail.com | (323) 266 3156 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A A A Roofing Services INC | Leran Armand Yosef | — | (818) 654 5977 | Other roofers | West Hills · Los Angeles County | — | — |
| A And S Roofing INC | Arthur Manuel Cain | — | (661) 253 1459 | Other roofers | Newhall · Los Angeles County | — | — |
| A B C Commercial Roofing INC DBA Roofing By A B C | Rivera Steven | — | (844) 619 7663 | Other roofers | Torrance · Los Angeles County | — | — |
| A B C Construction Co | Byong Kwan Choi | — | (213) 380 9073 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A Cabral Roofing Group (crg) | Cabral Armando | — | (562) 869 4994 | Other roofers | Downey · Los Angeles County | — | — |
| A Calhoun Roofing Company | Richard Andrew Calhoun | — | (323) 755 2100 | Other roofers | Lakewood · Los Angeles County | — | — |
| A Cut Above Roofers | Cyril Ofir Attali | — | (818) 646 9884 | Other roofers | Canoga Park · Los Angeles County | — | — |
| A D G Construction And Roofing | David Swisa | — | (310) 436 5094 | Other roofers | Tarzana · Los Angeles County | — | — |
| A Great Looking Roof Co INC | Steve David Shepard | — | (310) 835 5111 | Other roofers | Carson · Los Angeles County | — | — |
| A Gutierrez Roofing Co | Aquileo Vega Gutierrez | — | (323) 583 0745 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A H R Company | Arturo Carachure | — | (562) 422 1183 | Other roofers | Long Beach · Los Angeles County | — | — |
| A J Roofing And Infrared Inspection INC | Remigiusz Przemyslaw Czarnecki | — | (818) 362 3199 | Other roofers | Sun Valley · Los Angeles County | — | — |
| A Keith INC | Angus Jr Keith | — | (800) 326 1442 | Other roofers | Studio City · Los Angeles County | — | — |
| A L Follett Roofing | Anthony Laurence Follett | — | (661) 254 0940 | Other roofers | Santa Clarita · Los Angeles County | — | — |
| A M C Lions Roofing | Anyello Abraham Molina-Carreto | — | (323) 596 6586 | Other roofers | Bell · Los Angeles County | — | — |
| A N R Roofing | Andres Jr Chavez | — | (323) 982 9505 | Other roofers | Los Angeles · Los Angeles County | — | — |
| A P R Roofing | Michael Brian Ayala | andre@aprroofing.com | (661) 406 7475 | Other roofers | Lancaster · Los Angeles County | — | — |
| A Quality Roofing | Jose Alberto Moon | — | (310) 806 5338 | Other roofers | Compton · Los Angeles County | — | — |
| A R M Roofing Specialists INC | Mendez Agustin Ramirez | armroofing18@gmail.com | (909) 573 6357 | Other roofers | Pomona · Los Angeles County | — | — |
| A Sunrise Construction | Hector Gonzalez | — | (818) 343 0654 | Other roofers | Reseda · Los Angeles County | — | — |
| A-1 All American Roofing | Molly Ann Holm | — | (310) 320 0224 | Other roofers | Carson · Los Angeles County | — | — |
| A-pro Roofing INC | Murillo Cristian Maldonado | — | (661) 574 5657 | Other roofers | Palmdale · Los Angeles County | — | — |
| A1 American Roofing | Algem Nadav | — | (310) 405 0810 | Other roofers | Tarzana · Los Angeles County | — | — |
| A1 Superior Roofing | Silvestre Garcia | — | (424) 477 5260 | Other roofers | Torrance · Los Angeles County | — | — |
| Aaa Jack The Roofer Corp | Jack Jacob Lulu | — | (714) 270 6027 | Other roofers | Los Angeles · Los Angeles County | — | — |
| Abbs Services | Bryan Alexander Cohen Elliott | — | (818) 424 3492 | Other roofers | Mission Hills · Los Angeles County | — | — |
| Abc Quality Roofing INC | Estrada Maricela | abcqualityroofing@gmail.com | (714) 351 8726 | Other roofers | West Covina · Los Angeles County | — | — |
| Abel Roofing INC | Abel Antonio Lovos Torres | — | (818) 614 0524 | Other roofers | Canoga Park · Los Angeles County | — | — |
| Above And Beyond Roofing Contracting Company | Peter Tiberius Simon | — | (818) 462 1892 | Other roofers | Woodland Hills · Los Angeles County | — | — |