Naics code Naics crossreference
22111 Operating trash incinerators that also generate electricity--are classified in Industry 56221, Waste Treatment and Disposal
22111 Installing solar panels or solar heating equipment--are classified in Industry Group 2382, Building Equipment Contractors.
221114 Establishments primarily engaged in installing solar panels or solar heating equipment are classified in Industry Group 2382, Building Equipment Contractors.
221117 Establishments primarily engaged in operating trash disposal incinerators that also generate electricity are classified in U.S. Industry 562213, Solid Waste Combustors and Incinerators.
221118 Operating trash disposal incinerators that also generate electricity--are classified in U.S. Industry 562213, Solid Waste Combustors and Incinerators
221118 Operating hydroelectric power generation facilities--are classified in U.S. Industry 221111, Hydroelectric Power Generation
221118 Operating fossil fuel powered electric power generation facilities--are classified in U.S. Industry 221112, Fossil Fuel Electric Power Generation
221118 Operating nuclear electric power generation facilities--are classified in U.S. Industry 221113, Nuclear Electric Power Generation
221118 Operating solar electric power generation facilities--are classified in U.S. Industry 221114, Solar Electric Power Generation
221118 Operating wind electric power generation facilities--are classified in U.S. Industry 221115, Wind Electric Power Generation