Hydroelectric Power Generation, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Plumbing, Heating, and Air-Conditioning Contractors, Engineering Services

Engineering, Surveying, Mapping, Drafting, Architectural, Environmental Design, Consulting, Project Management

Support Activities for Oil and Gas Operations, Water Supply and Irrigation Systems, Steam and Air-Conditioning Supply, Industrial Building Construction, Commercial and Institutional Building Construction

Electric Power Distribution, New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction

Fossil Fuel Electric Power Generation, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, All Other Specialty Trade Contractors, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Water Purification, Water Treatment, Chlorine sanitation

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors, All Other Miscellaneous Chemical Product and Preparation Manufacturing, Metal Tank (Heavy Gauge) Manufacturing

Water Supply and Irrigation Systems, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers, Farm and Garden Machinery and Equipment Merchant Wholesalers, Industrial Machinery and Equipment Merchant Wholesalers

Water Supply and Irrigation Systems, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Electrical Contractors

ED'S SUPPLY COMPANY, INC.

CARROLL ELECTRIC COOPERATIVE CORP

Steam and Air-Conditioning Supply

CWB ENGINEERS, INC.

WATER4LIFE

Water Supply and Irrigation Systems, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers

Water Supply and Irrigation Systems, New Single-Family Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers, Industrial Building Construction

Other Electric Power Generation

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