Testing Locations » Pennsylvania » Williamsport PA » Mid-State Occputional Health Services – Mid-State Occputional Health Services – Drug Testing Only (Preferred) Mid-State Occputional Health Services – Mid-State Occputional Health Services – Drug Testing Only (Preferred) Mid-State Occputional Health Services – Mid-State Occputional Health Services – Drug Testing Only (Preferred)2605 Reach RoadWilliamsport, PA 17701-4392 United States