Agriculture Dept Of--usda Service Centers, Mercer County 559 Greenville Rd Mercer, PA 16137 Phone : (724) 662-2890 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--agriculture Department Of, Consolidated Farm Service Agency 559 Greenville Rd Mercer, PA 16137 Phone : (724) 662-2890 Business Category Government Offices-Federal Business Services Consultants Agriculture Agents Brokers & Planning Services Business Consulting Services Government Offices & Public Schools