Us Animal Plant Health Inspctn 500 Northwest Plz # 919 Saint Ann, MO 63074 Phone : (314) 291-8773 Business Category Regulation Of Agricultural Marketing & Commodities U S Government--animal & Plant Health Inspection Service-aphis, Plant Protection Quarantine 500 Northwest Plz Saint Ann, MO 63074 Phone : (314) 291-8773 Business Category Government Offices-Federal Government Offices & Public Schools