| A R Landscapes | A R Landscapes | — | (559) 226-1761 | Windows, patio, painters | Fresno · Fresno County | — | — |
| A R Landscaping INC | Singh Premjeet | — | (530) 204 9315 | Windows, patio, painters | Woodland · Yolo County | — | — |
| A R Lathing Co | Anthony Jimmy Romero | — | (909) 376 5140 | Other | Riverside · Riverside County | — | — |
| A R Leveling Tile INC | Adan Ramos-Flores | — | (408) 807 5721 | Other | San Jose · Santa Clara County | — | — |
| A R M Construction | Marinus Iii Van Schaik | — | (916) 402 1625 | GC, remodel, ADU | Carmichael · Sacramento County | — | — |
| A R M Electric | Rodger Lyn Ashby | — | (760) 954 0228 | Electricians | Hesperia · San Bernardino County | — | — |
| A R M Industries INC | Michael Wayne Roseman | — | (818) 422 1262 | GC, remodel, ADU | Calabasas · 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 R M S Rooter & Plumbing Services | Angel Ramos Martinez | — | (707) 438 2767 | Other | Suisun City · Solano County | — | — |
| A R O C Builders INC | Robert Edward Espinoza | — | (818) 201 5737 | GC, remodel, ADU | Granada Hills · Los Angeles County | — | — |
| A R O C Drywall INC | Alex Raul Olmedo | — | (818) 486 9674 | Other | Pacoima · Los Angeles County | — | — |
| A R P Contractor Corp | Ana Connie Ramos | — | (323) 499 6280 | GC, remodel, ADU | Los Angeles · Los Angeles County | — | — |
| A R P Electric | Rasuli Ahmed | — | (408) 854 9901 | Electricians | San Jose · Santa Clara County | — | — |
| A R P Electric And Lighting Co A Partnership | Alexander Polishchuk | — | (916) 995 8374 | Electricians | Loomis · Placer County | — | — |
| A R P Electrical Services | Alexander Rodriguez Perez | — | (818) 298 6812 | Electricians | Granada Hills · Los Angeles County | — | — |
| A R P Hardscape INC | Paniagua Alejandro Ramirez | — | (925) 208 9916 | Other | San Leandro · Alameda County | — | — |
| A R P I Mechanical INC | Gary Alan Farajian | — | (818) 700 2777 | HVAC | Chatsworth · Los Angeles County | — | — |
| A R Pacific Construction | De Jesus Alejandro Rodriguez | — | (714) 478 5087 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| A R Painting | A R Painting | — | (707) 304 0564 | Windows, patio, painters | Angwin · Napa County | — | — |
| A R Painting | A R Painting | — | (925) 382 2498 | Windows, patio, painters | Livermore · Alameda County | — | — |
| A R Painting And Construction | Alejandro Miguel Rodriguez | — | (949) 279 8784 | GC, remodel, ADU | Laguna Woods · Orange County | — | — |
| A R Painting INC | Rodriguez Alfredo | — | (818) 262 9978 | Windows, patio, painters | Panorama · Los Angeles County | — | — |
| A R Pipeline INC | Aaron Joe Ramirez | — | (805) 732 4437 | Other | Thousand Oaks · Ventura County | — | — |
| A R Plumbing | A R Plumbing | — | (415) 312 1751 | Other | San Francisco · San Francisco County | — | — |
| A R Plumbing Services | Allen Reyes Harry | — | (323) 290 2811 | Other | Los Angeles · Los Angeles County | — | — |
| A R Pool Plumbing | A R Pool Plumbing | — | (951) 532 1639 | Other | Corona · Riverside County | — | — |
| A R Prime Construction INC | Andrey Fedot Rybikov | — | (916) 803 2177 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| A R Ramos INC DBA Architectural Glazing Systems | Abel Ramos | — | (323) 221 1756 | Windows, patio, painters | Huntington Park · Los Angeles County | — | — |
| A R Refrigeration | A R Refrigeration | — | (909) 510 2146 | HVAC | Rancho Cucamonga · San Bernardino County | — | — |
| A R Roofing INC | Marco Antonio Ramirez | — | (510) 385 4258 | Other roofers | Oakland · Alameda County | — | — |
| A R S Construction INC | Manuel Alejandro Sanchez Barajas | — | (855) 810 8118 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| A R Steel INC | Adrian Fred Rodriguez | — | (661) 545 9122 | Other | Delano · Kern County | — | — |
| A R Sunscreens | A R Sunscreens | — | (916) 435 2119 | Other | Rocklin · Placer County | — | — |
| A R T Carpets & Vinyl | Michael Walter Boettcher | — | (650) 278 9103 | Other | Pacifica · San Mateo County | — | — |
| A R T E Construction & Development INC | Hector Macario Gonzalez | — | (310) 261 9144 | GC, remodel, ADU | Alhambra · Los Angeles County | — | — |
| A R Tile & Mosaic | A R Tile & Mosaic | — | (619) 830 1237 | Other | National City · San Diego County | — | — |
| A R V Construction | Arevalo Luis | — | (818) 324 9935 | GC, remodel, ADU | Winnetka · Los Angeles County | — | — |
| A R V General Construction | Otto Rene Vasquez | — | (818) 642 3991 | GC, remodel, ADU | Reseda · Los Angeles County | — | — |
| A R V S INC | Albert Barseghian | — | (818) 968 0734 | HVAC | Glendale · Los Angeles County | — | — |
| A R Willis Construction INC | Anthony Robert Willis | info@willisconstruction.com | (562) 322 2744 | GC, remodel, ADU | Fullerton · Orange County | — | — |