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

Other Crushed and Broken Stone Mining and Quarrying, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers

Crushed and Broken Limestone Mining and Quarrying, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, All Other Specialty Trade Contractors

Dimension Stone Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Farm Supplies Merchant Wholesalers, Specialized Freight (except Used Goods) Trucking, Local

Other Crushed and Broken Stone Mining and Quarrying, Highway, Street, and Bridge Construction

Bituminous Coal and Lignite Surface Mining

Construction Sand and Gravel Mining, Highway, Street, and Bridge Construction, Site Preparation Contractors, Brick, Stone, and Related Construction Material Merchant Wholesalers, Coal and Other Mineral and Ore Merchant Wholesalers

Soil Preparation, Planting, and Cultivating, Anthracite Mining, All Other Specialty Trade Contractors

Anthracite Mining, Nonscheduled Chartered Passenger Air Transportation, Nonscheduled Chartered Freight Air Transportation, Other Nonscheduled Air Transportation, Other Airport Operations

Dimension Stone Mining and Quarrying

Bituminous Coal and Lignite Surface Mining, Dimension Stone Mining and Quarrying, Crushed and Broken Limestone Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining

Construction Sand and Gravel Mining, Electric Power Distribution, Natural Gas Distribution, Water Supply and Irrigation Systems

Crushed and Broken Limestone Mining and Quarrying

Crude Petroleum and Natural Gas Extraction, Bituminous Coal Underground Mining, Anthracite Mining, Water Supply and Irrigation Systems, Industrial Building Construction

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