COMMERCIAL METAL FORMING · YOUNGSTOWN, OHActiveENVIRONMENTAL SPECIALISTS INC. · YOUNGSTOWN, OHActiveKOPPERS CO INC · YOUNGSTOWN, OHActiveGENERAL REFRACTORIES CO, GR-AMTEC DIV · YOUNGSTOWN, OHInactivePARKER HANNIFIN GEAR PUMP DIV. · YOUNGSTOWN, OHInactive
Source: U.S. EPA Toxic Release Inventory. Registration does not by itself indicate a health hazard.