Grower's Secret, Inc is based in Antioch, CA, and Honolulu, HI, with R & D Lab in Honolulu, HI, warehouses in Kent, WA, and Tampa, FL, and admin offices in Antioch, CA. GSI produces a patented organic plant growth enhancer, a unique new plant-based nitrogen, other amino acid fertilizers, a liquid fertilizer line, and more. The company's primary market is commercial agriculture, selling through distributors, not directly to farmers, but we like to get to know farmers. Grower's Secret is good for business and good for the earth.