Hay Farming, Timber Tract Operations, Logging, Soil Preparation, Planting, and Cultivating, New Multifamily Housing Construction (except Operative Builders)

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Crushed and Broken Limestone Mining and Quarrying, Construction Sand and Gravel Mining, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Construction Sand and Gravel Mining, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

15 OR 23

Water and Sewer Line and Related Structures Construction, Site Preparation Contractors, Environmental Consulting Services, Landscaping Services

Water and Sewer Line and Related Structures Construction

New Housing Operative Builders, Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Framing Contractors

Steam and Air-Conditioning Supply, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors

Water Supply and Irrigation Systems, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Farm Labor Contractors and Crew Leaders, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction

Water and Sewer Line and Related Structures Construction

Water and Sewer Line and Related Structures Construction

Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Electrical Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Architectural Services