Bituminous Coal and Lignite Surface Mining, Bituminous Coal Underground Mining, Anthracite Mining, Gold Ore Mining, Lead Ore and Zinc Ore Mining

Bituminous Coal and Lignite Surface Mining

Gold Ore Mining

All Other Nonmetallic Mineral Mining, Highway, Street, and Bridge Construction, Site Preparation Contractors

Crushed and Broken Limestone Mining and Quarrying, Highway, Street, and Bridge Construction

Crushed and Broken Limestone Mining and Quarrying

Bituminous Coal and Lignite Surface Mining

Other Crushed and Broken Stone Mining and Quarrying, Water and Sewer Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Clay and Ceramic and Refractory Minerals Mining

Construction Sand and Gravel Mining, Asphalt Paving Mixture and Block Manufacturing, Concrete Block and Brick Manufacturing

Iron Ore Mining, Structural Steel and Precast Concrete Contractors, Other Foundation, Structure, and Building Exterior Contractors, Iron and Steel Mills

Crushed and Broken Limestone Mining and Quarrying

Bituminous Coal Underground Mining

Bituminous Coal and Lignite Surface Mining, Bituminous Coal Underground Mining, Anthracite Mining, Iron Ore Mining, Gold Ore Mining

Anthracite Mining

Construction Sand and Gravel Mining, Industrial Sand Mining, Other Heavy and Civil Engineering Construction, Construction Machinery Manufacturing, Port and Harbor Operations

Dimension Stone Mining and Quarrying

Construction Sand and Gravel Mining, Support Activities for Coal Mining, Support Activities for Metal Mining