Electric Bulk Power Transmission and Control, Electric Power Distribution, Natural Gas Distribution, Steam and Air-Conditioning Supply, New Multifamily Housing Construction (except Operative Builders)

Natural Gas Distribution, Water Supply and Irrigation Systems, Steam and Air-Conditioning Supply, Industrial Building Construction, Oil and Gas Pipeline and Related Structures Construction

Natural Gas Distribution, Water Supply and Irrigation Systems, Petroleum Refineries, All Other Petroleum and Coal Products Manufacturing, Industrial Gas Manufacturing

MODERNIZATION

Grading, Paving, Demolition, Underground, Water, Sewer, Gas & Storm Drain

SEWER AND WATER

Electric Power Distribution, Natural Gas Distribution, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction

Natural Gas Distribution, Electronic Computer Manufacturing, Computer Storage Device Manufacturing, Computer Terminal Manufacturing, Other Computer Peripheral Equipment Manufacturing

Natural Gas Distribution, Engineering Services, Building Inspection Services, Surveying and Mapping (except Geophysical) Services, Other Computer Related Services

HOBBS-BANNERMAN

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

Support Activities for Oil and Gas Operations, Natural Gas Distribution, Oil and Gas Pipeline and Related Structures Construction, Administrative Management and General Management Consulting Services, Office Administrative Services

Crude Petroleum and Natural Gas Extraction, Support Activities for Oil and Gas Operations, Natural Gas Distribution, Steam and Air-Conditioning Supply, 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)

Electric Power Distribution, Natural Gas Distribution

Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Electric Bulk Power Transmission and Control, Electric Power Distribution, Natural Gas Distribution

Potash, Soda, and Borate Mineral Mining, Phosphate Rock Mining, Support Activities for Oil and Gas Operations, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining

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

Plumbing

Other Electric Power Generation, Electric Bulk Power Transmission and Control, Electric Power Distribution, Natural Gas Distribution, Oil and Gas Pipeline and Related Structures Construction

Natural Gas Distribution, Petroleum Lubricating Oil and Grease Manufacturing, Other Commercial Equipment Merchant Wholesalers, Coal and Other Mineral and Ore Merchant Wholesalers, Other Miscellaneous Durable Goods Merchant Wholesalers

Support Activities for Oil and Gas Operations, Hydroelectric Power Generation, Other Electric Power Generation, Natural Gas Distribution, Water Supply and Irrigation Systems

Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, Industrial Building Construction

Electric Power Distribution, Natural Gas Distribution, Office Equipment Merchant Wholesalers, Commodity Contracts Brokerage, All Other Legal Services

Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities