Other Electric Power Generation, New Housing Operative Builders, Residential Remodelers, 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, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Asbestos Abatement

Highway, Street, and Bridge Construction

Highway, Street, and Bridge Construction, Janitorial Services, Other Services to Buildings and Dwellings

Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Flooring Contractors, Sporting and Athletic Goods Manufacturing

Dredging, Marine Construction

Power and Communication Line and Related Structures Construction, Roofing Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Semiconductor and Related Device Manufacturing, Apprenticeship Training

water, sewer, septic, hydrant

contractor, general contractor, building contractor, construction, management, builder, developer, prime contractor, subcontractor, owner contractor

Construction Sand and Gravel Mining, Support Activities for Oil and Gas Operations, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders

Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, All Other Specialty Trade Contractors, Machine Shops, Other Direct Selling Establishments

electrical

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

General contracting

concrete, construction, excavation, sewer, trucking, roads

Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Structural Steel and Precast Concrete Contractors, Other Building Equipment Contractors, Plastics Pipe and Pipe Fitting Manufacturing

Frank Millard & Co

concrete, construction, driveways, footing and walls, finishing, repair, pouring, sidewalks, foundations, parking lots, paving, curbs, gutters, sawing, drilling, patterend, street paving, retaining walls

Range consulting

Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Water Supply and Irrigation Systems, Sewage Treatment Facilities

DUBUQUE STEEL PRODUCTS DBA UNIVERSAL CLIMATE CONTROL, INC.

KNIFE RIVER MIDWEST, LLC

NORRIS ASPHALT PAVING CO., LC

GREAT PLAINS DIVISION