Variant of NAICS 1997 - Labour Force Survey (LFS) Industries
- 221 - Utilities
- 2211 - Electric Power Generation, Transmission and Distribution
- 22111 - Electric Power Generation
- 221111 - Hydro-Electric Power Generation
- 221112 - Fossil-Fuel Electric Power Generation
- 221113 - Nuclear Electric Power Generation
- 221119 - Other Electric Power Generation
- 22112 - Electric Power Transmission, Control and Distribution
- 221121 - Electric Bulk Power Transmission and Control
- 221122 - Electric Power Distribution
- 2212 - Natural Gas Distribution
- 22121 - Natural Gas Distribution
- 221210 - Natural Gas Distribution
- 2213 - Water, Sewage and Other Systems
- 22131 - Water Supply and Irrigation Systems
- 221310 - Water Supply and Irrigation Systems
- 22132 - Sewage Treatment Facilities
- 221320 - Sewage Treatment Facilities
- 22133 - Steam and Air-Conditioning Supply
- 221330 - Steam and Air-Conditioning Supply
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