Crude Petroleum and Natural Gas Extraction, Lead Ore and Zinc Ore Mining, Copper Ore and Nickel Ore Mining, Uranium-Radium-Vanadium Ore Mining, All Other Metal Ore Mining

Water Supply and Irrigation Systems, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Hardware Manufacturing, Other Fabricated Wire Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing

Natural Gas Distribution, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction

Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining, Hydroelectric Power Generation

Water Supply and Irrigation Systems, New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction

Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders)

Water Supply and Irrigation Systems

Water Supply and Irrigation Systems, Plumbing, Heating, and Air-Conditioning Contractors, Bottled Water Manufacturing, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers

Timber Tract Operations, Logging, Soil Preparation, Planting, and Cultivating, Postharvest Crop Activities (except Cotton Ginning), Water Supply and Irrigation Systems

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Other Heavy and Civil Engineering Construction, Framing Contractors

Water Supply and Irrigation Systems, Sewage Treatment Facilities, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Timber Tract Operations, Forest Nurseries and Gathering of Forest Products, Logging, Gold Ore Mining, Silver Ore Mining

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Land Subdivision, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Water Supply and Irrigation Systems, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction

Water Supply and Irrigation Systems, Sewage Treatment Facilities, Mining Machinery and Equipment Manufacturing, Conveyor and Conveying Equipment Manufacturing

EXCAVATION

Water Supply and Irrigation Systems, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders