| A W D Services INC | David Eugene Jr Sissum | — | (805) 647 7400 | Other | Oak View · Ventura County | — | — |
| A W E & Associates INC | Paul Arthur Walker | — | (760) 900 8560 | GC, remodel, ADU | Lucerne Valley · San Bernardino County | — | — |
| A W E Enterprises | Andrew Joseph Waian | — | (714) 606 1591 | Electricians | San Clemente · Orange County | — | — |
| A W H Demo Pro INC | Jose German Lepe | — | (916) 267 8178 | GC, remodel, ADU | Elk Grove · Sacramento County | — | — |
| A W H INC | Omar Adnan Al-Darraji | — | (562) 753 6829 | GC, remodel, ADU | Cypress · Orange County | — | — |
| A W Harding | A W Harding | — | (408) 315 9947 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| A W I Builders INC | Sarkis Balbuchakyan | — | (562) 948 1133 | Electricians | Burbank · Los Angeles County | — | — |
| A W K General Building Contractors | Patrick Kevin Carey | — | (661) 857 5119 | GC, remodel, ADU | Valencia · Los Angeles County | — | — |
| A W M Construction | Andrew William Mcculloch | — | (530) 721 0380 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| A W Manufacturing Specialist INC | Michael Eugene Petrunt | — | (209) 931 6805 | Other | Stockton · San Joaquin County | — | — |
| A W Miller Enterprises INC | Aaron Walter Miller | — | (209) 728 2600 | GC, remodel, ADU | Murphys · Calaveras County | — | — |
| A W O Construction | Aaron Wayne Ottinger | — | (858) 333 1169 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| A W Painting | A W Painting | scheduleawpainting@gmail.com | (707) 497 7858 | Windows, patio, painters | Mc Kinleyville · Humboldt County | — | — |
| A W Pirelli | A W Pirelli | — | (909) 994 7299 | GC, remodel, ADU | Diamond Bar · Los Angeles County | — | — |
| A W Plumbing & Rooter | A W Plumbing & Rooter | — | (323) 228 5967 | Other | Los Angeles · Los Angeles County | — | — |
| A W Roofing | Steven Daniel Webb | — | (661) 809 0665 | Other roofers | Bakersfield · Kern County | — | — |
| A W S Construction Services INC | Dickran Hovanness Dadourian | — | (562) 799 4436 | GC, remodel, ADU | Long Beach · Los Angeles County | — | — |
| A W S Electric | Henry Walter Iii Schobel | — | (951) 317 6999 | Electricians | Yucaipa · San Bernardino County | — | — |
| A W S Electrical Services | Muntean Florin | — | (404) 693-1459 | Electricians | Sun Valley · Los Angeles County | — | — |
| A W S Partners INC | Grant Austin Adams | — | (925) 413 7268 | GC, remodel, ADU | Orinda · Contra Costa County | — | — |
| A W S Technologies INC | Michael Thomas Clancy | — | (760) 814 0679 | Electricians | Carlsbad · San Diego County | — | — |
| A Waterdog's Pool Service Corp | Michael Edward Taylor | — | (408) 274 2146 | Pool | San Jose · Santa Clara County | — | — |
| A West Concrete Specialist | A West Concrete Specialist | — | (510) 385 3064 | Other | Tracy · San Joaquin County | — | — |
| A White Construction INC DBA West Coast Roofing & Construction | Alexzander Ray White | alex@westcoastsd.com | (858) 487 4300 | Other roofers | Poway · San Diego County | — | — |
| A Whole New Light | A Whole New Light | candles@awholenewlight.com | (415) 412 8960 | Electricians | San Francisco · San Francisco County | — | — |
| A Whole New World Construction Co | Guoliang Gary Yu | — | (408) 802 3304 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| A Wholesale Construction Company | Glen Kenji Fujikawa | — | (408) 654 9410 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| A Willis Construction | Andrew Charles Willis | — | (805) 453 3003 | GC, remodel, ADU | Santa Ynez · Santa Barbara County | — | — |
| A Wire | A Wire | — | (510) 333 6756 | Electricians | Oakland · Alameda County | — | — |
| A Wiring Man | A Wiring Man | — | (714) 990 8192 | Electricians | Fullerton · Orange County | — | — |
| A Wisdom Electric Co | Reys Alex | — | (818) 776 8662 | Electricians | Tarzana · Los Angeles County | — | — |
| A Wiseman's Home Improvement INC | Ryan Eugene Wiseman | — | (916) 276 4101 | Electricians | Granite Bay · Placer County | — | — |
| A Woodward Construction | Jeremy Kelvin Woodward | — | (530) 413 3607 | GC, remodel, ADU | Sheridan · Placer County | — | — |
| A Work Of Art | A Work Of Art | — | (530) 318 5575 | Windows, patio, painters | South Lake Tahoe · El Dorado County | — | — |
| A Work Of Art Painting | A Work Of Art Painting | — | (408) 981 8818 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| A World Class Duct Cleaner | A World Class Duct Cleaner | — | (626) 327 0106 | Other | Monrovia · Los Angeles County | — | — |
| A X A Construction INC | Natalia Boldurescu | — | (415) 579 6031 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| A X Elite Plumbing INC | Xiloj Sontay Arsenio | — | (805) 432 2798 | Other | Valencia · Los Angeles County | — | — |
| A X Elite Trical | A X Elite Trical | — | (310) 701 2935 | Electricians | Manhattan Beach · Los Angeles County | — | — |
| A X Plumbing | A X Plumbing | axplumbingsd@gmail.com | (619) 578 8920 | Other | San Diego · San Diego County | — | — |