Crushed and Broken Limestone Mining and Quarrying, Highway, Street, and Bridge Construction, Site Preparation Contractors, Brick, Stone, and Related Construction Material Merchant Wholesalers, Specialized Freight (except Used Goods) Trucking, Local

Drilling Oil and Gas Wells, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, All Other Specialty Trade Contractors

All Other Nonmetallic Mineral Mining

Drilling Oil and Gas Wells, Hydroelectric Power Generation, Other Electric Power Generation, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Crushed and Broken Limestone Mining and Quarrying, New Single-Family Housing Construction (except Operative Builders), Sawmills, Wood Preservation, Hardwood Veneer and Plywood Manufacturing

Crop Harvesting, Primarily by Machine, Postharvest Crop Activities (except Cotton Ginning), Farm Labor Contractors and Crew Leaders, Farm Management Services, Support Activities for Animal Production

Industrial Sand Mining, Sheet Metal Work Manufacturing

Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, All Other Nonmetallic Mineral Mining, Water Supply and Irrigation Systems, New Single-Family Housing Construction (except Operative Builders)

Construction Sand and Gravel Mining, Residential Remodelers, Industrial Building Construction, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction

Dimension Stone Mining and Quarrying, Crushed and Broken Limestone Mining and Quarrying

Support Activities for Oil and Gas Operations, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Plumbing, Heating, and Air-Conditioning Contractors, Site Preparation Contractors