| A+ Flooring Corp | Carlos Ruelas | — | (951) 907 4488 | Other | Riverside · Riverside County | — | — |
| A+ General Contractor INC | Alfredo Mendoza Gutierrez | — | (510) 813 4422 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| A+ Home Improvement INC | Yingying Wang | — | (626) 766 6999 | GC, remodel, ADU | Glendora · Los Angeles County | — | — |
| A+ Home Services | Jon Mark Almgren | — | (925) 785 7652 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| A+ Home Services | A+ Home Services | — | (323) 620-5763 | Inspectors | San Bernardino · San Bernardino County | — | — |
| A+ Junk Removal & Construction Clean-up INC | Ulrick Jr Belmont | — | (951) 796 0913 | Other | Canyon Lake · Riverside County | — | — |
| A+ Landscapes | A+ Landscapes | — | (760) 522 0760 | Windows, patio, painters | Escondido · San Diego County | — | — |
| A+ Locksmith INC | Saeed Shirazi | — | (408) 927 7729 | Other | San Jose · Santa Clara County | — | — |
| A+ Painting | A+ Painting | — | (559) 389 4315 | Windows, patio, painters | Fresno · Fresno County | — | — |
| A+ Painting | A+ Painting | — | (408) 244 1322 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A+ Painting INC | Francisco Luna | — | (925) 375 0559 | Windows, patio, painters | Pinole · Contra Costa County | — | — |
| A+ Plastering | A+ Plastering | contact@aplastering.com | (805) 315 6465 | Other | Lompoc · Santa Barbara County | — | — |
| A+ Plumbing & Rootering INC | Zhanna Dallakyan | — | (818) 757 7741 | Other | North Hollywood · Los Angeles County | — | — |
| A+ Plumbing INC | Adolfo Madrigal | — | (818) 256 0092 | Other | Sylmar · Los Angeles County | — | — |
| A+ Plus Roofing | Mark Edward Kuizin | — | (916) 206 7320 | Other roofers | Pleasant Hill · Contra Costa County | — | — |
| A+ Pool & Spa Services | Hiep Van Nguyen | — | (408) 649 1229 | Pool | San Jose · Santa Clara County | — | — |
| A+ Professional Painting | Jorge Ricardo Anaya Lugo | — | (619) 962 1607 | Windows, patio, painters | San Diego · San Diego County | — | — |
| A+ Quality Construction | Daniel Sarlea | — | (510) 754 8122 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| A+ Quality Roofing | Darren Carl Richards | — | (707) 935 6580 | Other roofers | Glen Ellen · Sonoma County | — | — |
| A+ Renovation Services | Jose Edgar Salazar Salas | — | (510) 260 3129 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| A+ Restorations LLC | Saul Osorio-Flores | — | (619) 300 9430 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| A+ Roofing Services | Jose Francisco Rodriguez | — | (209) 918 2586 | Other roofers | Modesto · Stanislaus County | — | — |
| A+ Rudy's Electric | Jimenez Rodolfo | — | (951) 956 1665 | Electricians | Lake Elsinore · Riverside County | — | — |
| A+ Smart Plumbing INC | Jung Woo Han | — | (516) 580 1005 | Other | Irvine · Orange County | — | — |
| A+ Structures INC | Todd Anthony Schneider | — | (909) 322 1595 | GC, remodel, ADU | Jurupa Valley · Riverside County | — | — |
| A+ Surface Solution | A+ Surface Solution | — | (559) 720 4690 | Other | San Jose · Santa Clara County | — | — |
| A+ Tile & Stone | A+ Tile & Stone | — | (916) 240 0473 | Other | Loomis · Placer County | — | — |
| A+ Tile Construction INC | Jimenez Tilapa Eutiquio | — | (818) 383 7912 | Other | Santa Clarita · Los Angeles County | — | — |
| A+ Traffic Management INC | Richard Jr Ullman | — | (213) 494 7154 | Other | Los Angeles · Los Angeles County | — | — |
| A+ Waterworks INC | Nasser Zaid Nijem | — | (707) 249 8987 | Other | American Canyon · Napa County | — | — |
| A+g Design+build | A+g Design+build | — | (415) 235 3760 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| A+ramirez Tree Services | Ramirez Morales Javier | — | (559) 704 8081 | Tree | Sanger · Fresno County | — | — |
| A-1 Advantage Asphalt | Gregory Reid Mallo | — | (916) 388 2020 | Other | Sacramento · Sacramento County | — | — |
| A-1 Advantage Concrete | Gregory Reid Mallo | — | (916) 388 2020 | Other | Sacramento · Sacramento County | — | — |
| A-1 Affordable Property Services | Vazquez-guerrero Oscar | — | (714) 585 8140 | GC, remodel, ADU | Aliso Viejo · Orange County | — | — |
| A-1 Affordable Roofing Services INC | John Justin Iv Fleenor | — | (916) 991 6119 | Other roofers | Rio Linda · Sacramento County | — | — |
| A-1 Air Duct Cleaning LLC | Aaron Thomas Krider | — | (480) 686 7266 | Other | Glendale · Los Angeles County | — | — |
| A-1 All American Roofing | Molly Ann Holm | — | (310) 320 0224 | Other roofers | Carson · Los Angeles County | — | — |
| A-1 All American Roofing San Diego LLC | Gregory Alexander Savran | — | (858) 537 5177 | Other roofers | San Diego · San Diego County | — | — |
| A-1 All Painting | Gregory William Davis | — | (916) 880 8801 | Windows, patio, painters | Sacramento · Sacramento County | — | — |