Us Plant Protection & Qrntn 300 S New St # 1107 Dover, DE 19904 Phone : (302) 678-5868 Business Category Land Mineral Wildlife & Forest Conservation U S Government Of--agriculture Dept Of, Plant Protection And Quarantine 300 S New St Dover, DE 19904 Phone : (302) 678-5868 Business Category Government Offices-Federal Government Offices & Public Schools