| Tilted Mash Brewery | 9175 Union Park Way | Elk Grove | California | 95624-2792 | United States | micro | |
| Timeless Pints Brewing Co | 3671 Industry Ave Ste C1 | Lakewood | California | 90712-4155 | United States | closed | |
| Tioga-Sequoia Brewing Co | 746 Broadway St | Fresno | California | 93721-2808 | United States | micro | |
| Toolbox Brewing Company | 1495 Poinsettia Ave Ste 148 | Vista | California | 92081-8539 | United States | micro | |
| Topa Topa Brewing Co | 104 E Thompson Blvd | Ventura | California | 93001-2723 | United States | micro | |
| Topsy's | 260 Kearny St | San Francisco | California | 94108-4538 | United States | brewpub | |
| Toro Creek Brewing Co | 1111 Riverside Ave, Ste 103 | Paso Robles | California | 93446 | United States | micro | |
| Tortugo Brewing Company | | Inglewood | California | 90302-3308 | United States | planning | |
| Touchstone Brewing Company | | Sacramento | California | 95811-0618 | United States | planning | |
| Tower Brewing Co | 1210 66th St Unit B | Sacramento | California | 95819-4327 | United States | micro | |
| Towne Park Brew Co | 19191 Lawrence Cyn | Silverado | California | 92676-9731 | United States | closed | |
| Toy Soldier | 52 Belden Pl | San Francisco | California | 94104 | United States | brewpub | |
| Track 7 Brewing Co - Curtis Park | 3747 W Pacific Ave Ste F | Sacramento | California | 95820-1000 | United States | micro | |
| Track 7 Brewing Co - Natomas | 826 Professor Ln Ste 100 | Sacramento | California | 95834-7743 | United States | micro | |
| Trade Brewing | 731 1st St | Napa | California | 94559-2624 | United States | micro | |
| Trader Joes - West Coast Office | 800 S. Shamrock Ave | Monrovia | California | 91016 | United States | contract | |
| Trail Dog Brewing Co. | | Novato | California | 94945-3318 | United States | planning | |
| Transmission Brewing Company | | Oxnard | California | 93030-8231 | United States | planning | |
| Transplants Brewing Company | 40242 La Quinta Ln Ste 101 | Palmdale | California | 93551-3630 | United States | micro | |
| Triple Rock Brewery and Alehouse | 1920 Shattuck Ave | Berkeley | California | 94704-1022 | United States | brewpub | |
| Triple Voodoo Brewing Co | 2245 3rd St | San Francisco | California | 94107-3125 | United States | micro | |
| True Symmetry Brewing Company | 315 Marina Ctr | Suisun City | California | 94585-2518 | United States | micro | |
| Trumer Brewery | 1404 4th St | Berkeley | California | 94710-1323 | United States | regional | |
| Tustin Brewing Co | 13011 Newport Ave Ste 100 | Tustin | California | 92780-3517 | United States | brewpub | |
| TUYA SuperBrewing Co. | | Santa Cruz | California | 95062-1411 | United States | planning | |
| TW Pitchers Brewing Co | 1329 17th Ave | San Francisco | California | 94122-1912 | United States | contract | |
| Two Coast Brewing Co. | 14928 S Figueroa St | Gardena | California | 90248 | United States | micro | |
| Two Dude Brew | | Clearlake | California | 95422-8159 | United States | planning | |
| Ukiah Brewing Co | 102 S State St | Ukiah | California | 95482-4903 | United States | brewpub | |
| Uncommon Brewers | 303 Potrero St Ste 40H | Santa Cruz | California | 95060-2778 | United States | closed | |
| Underground Brewing Co. | 3940 Broad St # 7415 | San Luis Obispo | California | 93401-7017 | United States | brewpub | |
| Unsung Brewing Company | 1332 Bell Ave Ste 2D | Tustin | California | 92780-6439 | United States | closed | |
| Unsung Brewing Company- Taproom | 500 S Anaheim Blvd Ste B | Anaheim | California | 92805-4725 | United States | micro | |
| Uproar Brewing | 439 S 1st St | San Jose | California | 95113-2816 | United States | brewpub | |
| Urban Roots Brewing | 1322 V St | Sacramento | California | 95818-1418 | United States | brewpub | |
| Urge Gastropub & Common House/Mason Ale Works | 255 Redel Rd | San Marcos | California | 92078-4347 | United States | brewpub | |
| Valley Brewing Co | 157 W Adams St | Stockton | California | 95204-5337 | United States | brewpub | |
| Venice Ale House Brewing Co | 2 Rose Ave | Venice | California | 90291-2411 | United States | contract | |
| Venice Duck Brewery | | Venice | California | 90291-3833 | United States | contract | |
| Ventura Coast Brewing Company | 76 S Oak St | Ventura | California | 93001-2702 | United States | micro | |
| Verdugo West Brewing Company | 156 W Verdugo Ave | Burbank | California | 91502-2132 | United States | micro | |
| Viewpoint Brewing Co | 2201 San Dieguito Dr Ste F | del Mar | California | 92014-2257 | United States | brewpub | |
| Waganupa Brewing | 289 Clifford Dr Unit B | Lake Almanor | California | 96137-9641 | United States | micro | |
| Waterman Brewing Company | 9824 Dino Dr Unit 150 | Elk Grove | California | 95624-1277 | United States | micro | |
| Wavelength Brewing Company | 236 Main St | Vista | California | 92084-6008 | United States | micro | |
| Westlake Brewing & Libation | 31111 Via Colinas # 200 | Thousand Oaks | California | 91362-3909 | United States | micro | |
| White Labs Tasting Room | 9495 Candida St | San Diego | California | 92126-4541 | United States | micro | |
| Whole Foods Market Brewing Company- Floodcraft Brewing | 777 The Alameda | San Jose | California | 95126-3155 | United States | brewpub | |
| Wicks Brewing Company LLC | 11620 Sterling Ave Ste C | Riverside | California | 92503-4904 | United States | brewpub | |
| Wiens Brewing Co | 27941 Diaz Rd Ste A | Temecula | California | 92590-3484 | United States | closed | |