Irrigation, concrete canals, dewatering, dam repair, earthwork, pumping stations, grinding of debris, rip-rap, excavation, sewer, water lines, bridge repair, highways, roads

Iron Ore Mining, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Land Subdivision, Other Heavy and Civil Engineering Construction

Bituminous Coal Underground Mining, Anthracite Mining, Iron Ore Mining, Gold Ore Mining, All Other Metal Ore Mining