All Seasons Hydroponics
17614 Chatsworth
Granada Hills, CA 91344
818 368-4388

Concord Indoor Garden
2355 Concord Blvd.
Concord, CA 94521
925 671-2520

Growers Choice Hydroponics
16754 East 14th street
San Leandro, CA 94578
510-278-6200

Urban Garden Supply
22516 Ventura Blvd.
Woodland Hills, CA, 91364
818 876-0222

West Coast Growers Hydroponics
13481 Colfax Highway
Grass Valley, CA 95945
888 924-4769