| A R Contractor | A R Contractor | — | (408) 656 5610 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A R Craftworks | A R Craftworks | — | (925) 200 5068 | GC, remodel, ADU | Fort Bragg · Mendocino County | — | — |
| A R Creations Remodeling INC | Alejandro Ruvalcaba-Felix | — | (619) 634 8434 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| A R Drywall | A R Drywall | — | (626) 297 0250 | Other | Monterey Park · Los Angeles County | — | — |
| A R E Construction | Alvin Ricky Martinez | — | (707) 541 8121 | GC, remodel, ADU | Lakeport · Lake County | — | — |
| A R E Electrical | Alan Gene Roth | — | (661) 803 3326 | Electricians | Canyon Country · Los Angeles County | — | — |
| A R E Precision Painting LLC | Rogelio Joseph Estrada | — | (619) 722 4020 | Windows, patio, painters | Descanso · San Diego County | — | — |
| A R E Property Development | Elijah Barkev Baghdikian | — | (714) 630 7100 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| A R Electric | Antonio De Jesus Revuelta De Alba | — | (650) 681 7865 | Electricians | Redwood City · San Mateo County | — | — |
| A R Electric | Singh Narinder | — | (559) 470 5874 | Electricians | Fresno · Fresno County | — | — |
| A R Electric | Alex David Ramirez | — | (909) 226 1880 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |
| A R Electric | Ruiz Alfredo | — | (818) 387 5470 | Electricians | Acton · Los Angeles County | — | — |
| A R Electric | Alexander Leonidovich Rozentsvayg | — | (650) 238 8484 | Electricians | San Francisco · San Francisco County | — | — |
| A R Electrical & Plumbing INC | Antonio Israel Lauro | — | (951) 533 5903 | Electricians | San Bernardino · San Bernardino County | — | — |
| A R Electrical Services | Ariel Issac Recio Cardenas | — | (909) 843 7944 | Electricians | Claremont · Los Angeles County | — | — |
| A R Floor Covering | A R Floor Covering | — | (619) 726 4852 | Other | San Diego · San Diego County | — | — |
| A R Fuentes Electrical INC | Ramirez Fuentes Armando | — | (805) 440 6018 | Electricians | Morro Bay · San Luis Obispo County | — | — |
| A R G Conservation Services | David Paul Wessel | — | (415) 828 1451 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| A R G Construction & General Contractor INC | Raul Garcia Arias | — | (951) 361 2704 | GC, remodel, ADU | Mira Loma · Riverside County | — | — |
| A R G Flooring | A R G Flooring | — | (760) 594 1429 | Other | Vista · San Diego County | — | — |
| A R G Mobile Welding | A R G Mobile Welding | argwelding1@gmail.com | (510) 253 9133 | Other | Richmond · Contra Costa County | — | — |
| A R General Contractor | A R General Contractor | taxista026@gmail.com | (619) 886 9452 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| A R Glass | A R Glass | — | (415) 933 7632 | GC, remodel, ADU | San Pablo · Contra Costa County | — | — |
| A R Groth Co INC | Ann Mercedes Ossenberg | phil@argroth.com | (415) 468 3365 | Windows, patio, painters | Brisbane · San Mateo County | — | — |
| A R Gutters & Sheet Metal INC | Alvaro Reyes | — | (831) 582 9029 | HVAC | Marina · Monterey County | — | — |
| A R H Lacquer & Custom Coatings | Allen Roy Hapak | — | (858) 449 4712 | Windows, patio, painters | Temecula · Riverside County | — | — |
| A R I Builders Group INC | Elbaz Efrat | — | (888) 513 8444 | GC, remodel, ADU | Woodland Hills · Los Angeles County | — | — |
| A R I Mechanical | A R I Mechanical | — | (949) 291 1939 | HVAC | San Clemente · Orange County | — | — |
| A R I Restore INC | Neli Malenkovic | — | (818) 790 1500 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| A R Industries | A R Industries | — | (949) 322 1301 | Electricians | Sutter · Sutter County | — | — |
| A R Industries INC DBA Anthony Rosas Painting | Anthony Michael Rosas | — | (626) 332 8000 | Windows, patio, painters | Covina · Los Angeles County | — | — |
| A R J And Son Construction INC | Allan Rodger Jackson | — | (650) 906 0641 | GC, remodel, ADU | Manteca · San Joaquin County | — | — |
| A R J Construction | Anthony Alan Vosgerichian | — | (805) 693 1330 | GC, remodel, ADU | Buellton · Santa Barbara County | — | — |
| A R J Painting | A R J Painting | — | (209) 295 6707 | Windows, patio, painters | Pine Grove · Amador County | — | — |
| A R Joens Plumbing | A R Joens Plumbing | arjonesplumbing@gmail.com | (909) 496 6324 | Other | Big Bear City · San Bernardino County | — | — |
| A R K Construction | Aram Haroutune Arakelian | — | (562) 824 4267 | GC, remodel, ADU | Glendale · Los Angeles County | — | — |
| A R K Electric | Aaron Roy Kingsford | — | (707) 255 4394 | Electricians | Napa · Napa County | — | — |
| A R K Fire Protection Systems INC | Nicholas Gregory Khachatourian | — | (818) 266 7500 | Other | Sun Valley · Los Angeles County | — | — |
| A R K Plumbing | A R K Plumbing | — | (949) 544 3343 | Other | Huntington Beach · Orange County | — | — |
| A R Landscape Design | A R Landscape Design | areyeslandscapedesign@gmail.com | (530) 344 6418 | Windows, patio, painters | Redding · Shasta County | — | — |