North American Industry Classification System

Noncurrent-Carrying Wiring Device Manufacturing

Current-Carrying Wiring Device Manufacturing

All Other Specialty Trade Contractors

Electrical Contractors and Other Wiring Installation Contractors

Hydroelectric Power Generation

Fossil Fuel Electric Power Generation

Nuclear Electric Power Generation

Solar Electric Power Generation

Wind Electric Power Generation

Geothermal Electric Power Generation

Biomass Electric Power Generation

Other Electric Power Generation

Electric Bulk Power Transmission and Control

Electric Power Distribution