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Home : Procurement Classification Codes : NAICS Codes : 22 Utilities

22 Utilities

Categories

221111 Hydroelectric Power Generation

221112 Fossil Fuel Electric Power Generation

221113 Nuclear Electric Power Generation

221119 Other Electric Power Generation

221121 Electric Bulk Power Transmission and Control

221122 Electric Power Distribution

221210 Natural Gas Distribution

221310 Water Supply and Irrigation Systems

221320 Sewage Treatment Facilities

221330 Steam and Air-Conditioning Supply