American Vanguard Corporation, through its subsidiaries, develops, manufactures, and markets specialty chemicals for agricultural, commercial, and consumer uses in the United States and internationally. It manufactures and formulates chemicals, including insecticides, fungicides, herbicides, molluscicides, soil health, plant nutrition, growth regulators, and soil fumigants in liquid, powder, and granular forms for crops, turf and ornamental plants, and human and animal health protection. The company also markets, sells, and distributes end-use chemical and biological products for crop applications; and distributes chemicals for turf and ornamental markets.

It distributes its products through national distribution companies, and buying groups or co-operatives; and through sales offices, sales force executives, sales agents, and wholly owned distributors.