| A G R Mechanical | A G R Mechanical | — | (619) 977 0271 | HVAC | San Diego · San Diego County | — | — |
| A G R Plumbing | A G R Plumbing | — | (650) 921 4956 | Other | San Mateo · San Mateo County | — | — |
| A G Ramirez Painting | Bustos Agustin Ramirez | — | (951) 544 7563 | Windows, patio, painters | Mission Viejo · Orange County | — | — |
| A G River Wood Windows & Doors 900 | A G River Wood Windows & Doors 900 | — | (415) 648-8535 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| A G Roofing | Guerrero Jimenez Alejandro | — | (831) 761 8242 | Other roofers | Watsonville · Santa Cruz County | — | — |
| A G Roofing | Gomez Antonio | info@christianroofing.com | (619) 300 8942 | Other roofers | Lakeside · San Diego County | — | — |
| A G S | A G S | — | (310) 400 7711 | GC, remodel, ADU | Gardena · Los Angeles County | — | — |
| A G S | Michael Alan Fine | — | (916) 374 0376 | Windows, patio, painters | West Sacramento · Yolo County | — | — |
| A G S Concrete Construction | Gene Kevin German | — | (530) 343 2190 | Other | Durham · Butte County | — | — |
| A G S Construction | Al Geary Jr Smith | — | (707) 799 1314 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| A G S Construction INC | Alejandro Gonzalez Sandoval | — | (831) 402 6419 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| A G S Construction Services | Alphonse George Sperske | — | (530) 877 5929 | GC, remodel, ADU | Paradise · Butte County | — | — |
| A G S Hotel Renovation Corporation | Mark Shekari Harati | — | (310) 400 7711 | GC, remodel, ADU | Gardena · Los Angeles County | — | — |
| A G S Landscape | A G S Landscape | — | (408) 597 6181 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A G S Plumbing | A G S Plumbing | — | (661) 575 5578 | Other | Lancaster · Los Angeles County | — | — |
| A G S Underground | Joseph Edward Meade | — | (818) 262 6292 | GC, remodel, ADU | Northridge · Los Angeles County | — | — |
| A G Spanos Construction INC | Steven Lawrence Cohen | — | (209) 478 7954 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| A G Suarez Construction | Suarez Rojas Agustin | aqremodeling2@gmail.com | (619) 265 6201 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| A G T Electric | Toumanian Armenak | — | (818) 321 9915 | Electricians | Sunland · Los Angeles County | — | — |
| A G Tile | A G Tile | — | (818) 568 4075 | Other | Burbank · Los Angeles County | — | — |
| A G Tile Marble | A G Tile Marble | — | (559) 907 7407 | Other | Fresno · Fresno County | — | — |
| A G Vinyl Fencing INC | Kristina Harutyunyan | — | (714) 340 0007 | Windows, patio, painters | Anaheim · Orange County | — | — |
| A G Woodworks | A G Woodworks | — | (805) 512 1518 | Other | Camarillo · Ventura County | — | — |
| A G Wright Construction | Anthony Gregory Wright | — | (209) 362 5598 | GC, remodel, ADU | Tracy · San Joaquin County | — | — |
| A G's Landscapes | Juarez Adrian Guillen | — | (323) 519 2134 | Windows, patio, painters | Inglewood · Los Angeles County | — | — |
| A Garza Construction | Alberto Rolando Garza | — | (805) 550 1248 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| A Gene Phillips Plumbing | A Gene Phillips Plumbing | — | (760) 851 9212 | Other | Palm Desert · Riverside County | — | — |
| A General Coating | A General Coating | — | (909) 355 3420 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| A General Engineering Company | Alejandro Hernandez | — | (510) 734 4666 | Other | San Francisco · San Francisco County | — | — |
| A General Engineering Company | Tom Franklin Lara | — | (760) 677 5078 | Other | Ridgecrest · Kern County | — | — |
| A Glasco INC | Barry L Livengood | — | (619) 670 3000 | Windows, patio, painters | Spring Valley · San Diego County | — | — |
| A Glass & Mirror Company Corp | Angelo Frank Ii Lugo | — | (707) 326 9990 | Windows, patio, painters | Vacaville · Solano County | — | — |
| A Glass Company | Gregory Scott Blizzard | — | (714) 345 5458 | Windows, patio, painters | Westminster · Orange County | — | — |
| A Gomez Landscaping Designs | A Gomez Landscaping Designs | — | (805) 823 5068 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| A Gon Rain Gutters | A Gon Rain Gutters | — | (818) 809 3811 | Other | North Hollywood · Los Angeles County | — | — |
| A Good Plumber INC | Gary Alfred Confenti | — | (510) 376 9098 | Other | Livermore · Alameda County | — | — |
| A Good Plumbing INC | Gregory Scott Johnson | — | (951) 677 4400 | Other | Murrieta · Riverside County | — | — |
| A Good Roofer INC | Michelle Marie Mosqueda | — | (619) 561 7600 | Other roofers | Lakeside · San Diego County | — | — |
| A Good Sign & Graphics Co | Babak Richard Abedi | — | (714) 444 4466 | Other | Santa Ana · Orange County | — | — |
| A Grade Construction | David Nathaniel Bond | — | (626) 379 0709 | GC, remodel, ADU | Pasadena · Los Angeles County | — | — |