Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Wood Preservation, All Other Miscellaneous Wood Product Manufacturing

Crushed and Broken Granite Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Water Supply and Irrigation Systems, Sewage Treatment Facilities

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Farm Labor Contractors and Crew Leaders, New Single-Family Housing Construction (except Operative Builders), New Housing Operative Builders, Land Subdivision, Nature Parks and Other Similar Institutions

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Water and Sewer Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors, All Other Specialty Trade Contractors

Highway, Street, and Bridge Construction, Structural Steel and Precast Concrete Contractors, Site Preparation Contractors, All Other Specialty Trade Contractors, Specialized Freight (except Used Goods) Trucking, Local

Water and Sewer Line and Related Structures Construction