William S. Fruehling

Westbridge Agricultural Products engages in the development and manufacture of plant nutrients, biopesticides and specialty inputs for both organic and conventional farming. Its products include macronutrients NPK fertilizers, adjuvants, secondary and micronutrient fertilizers, soil plant amendments, fertilizers for agriculture, plant growth regulators, and sustainable blends. The company was founded in 1982 and is headquartered in Vista, CA.

Westbridge Research Group was engaged in the development, manufacture, and marketing of environmentally compatible products for the agriculture industry. It also offered a line of products that are used in industrial bioremediation. The company was founded on April 12, 1982 and it was headquartered in Vista, CA.