2002
NAICS |
2002 NAICS U.S. Description
(with link to definition) |
Com-
para-
bility |
1987
SIC |
1987 U.S. SIC Description
(with link to definition) |
| 221
|
Utilities
|
|
|
|
| 2211
|
Electric Power Generation, Transmission and Distribution
|
|
|
|
| 22111
|
Electric Power Generation
|
|
|
|
| 221111
|
Hydroelectric Power Generation
|
|
|
|
|
|
|
| 4911
|
Electric Services (Hydroelectric power generation)
|
|
|
|
| 4931
|
Electric and Other Services Combined (Hydroelectric power generation)
|
|
|
|
| 4939
|
Combination Utilities, NEC (Hydroelectric power generation)
|
| 221112
|
Fossil Fuel Electric Power Generation
|
|
|
|
|
|
|
| 4911
|
Electric Services (Fossil fuel power generation)
|
|
|
|
| 4931
|
Electric and Other Services Combined (Fossil fuel power generation)
|
|
|
|
| 4939
|
Combination Utilities, NEC (Fossil fuel power generation)
|
| 221113
|
Nuclear Electric Power Generation
|
|
|
|
|
|
|
| 4911
|
Electric Services (Nuclear electric power generation)
|
|
|
|
| 4931
|
Electric and Other Services Combined (Nuclear power generation)
|
|
|
|
| 4939
|
Combination Utilities, NEC (Nuclear power generation)
|
| 221119
|
Other Electric Power Generation
|
|
|
|
|
|
|
| 4911
|
Electric Services (Other electric power generation)
|
|
|
|
| 4931
|
Electric and Other Services Combined (Other electric power generation)
|
|
|
|
| 4939
|
Combination Utilities, NEC (Other electric power generation)
|
| 22112
|
Electric Power Transmission, Control, and Distribution
|
|
|
|
| 221121
|
Electric Bulk Power Transmission and Control
|
|
|
|
|
|
|
| 4911
|
Electric Services (Electric power transmission and control)
|
|
|
|
| 4931
|
Electric and Other Services Combined (Electric power transmission and control)
|
|
|
|
| 4939
|
Combination Utilities, NEC (Electric power transmission and control)
|
| 221122
|
Electric Power Distribution
|
|
|
|
|
|
|
| 4911
|
Electric Services (Electric power distribution)
|
|
|
|
| 4931
|
Electric and Other Services Combined (Electric power distribution)
|
|
|
|
| 4939
|
Combination Utilities, NEC (Electric power distribution)
|
| 2212
|
Natural Gas Distribution
|
|
|
|
| 22121
|
Natural Gas Distribution
|
|
|
|
| 221210
|
Natural Gas Distribution
|
|
|
|
|
|
|
| 4923
|
Natural Gas Transmission and Distribution (Distribution)
|
|
|
|
| 4924
|
Natural Gas Distribution
|
|
|
|
| 4925
|
Mixed, Manufactured, or Liquefied Petroleum Gas Production and/or Distribution
|
|
|
|
| 4931
|
Electric and Other Services Combined (Natural gas distribution)
|
|
|
|
| 4932
|
Gas and Other Services Combined
|
|
|
|
| 4939
|
Combination Utilities, NEC (Natural gas distribution)
|
| 2213
|
Water, Sewage and Other Systems
|
|
|
|
| 22131
|
Water Supply and Irrigation Systems
|
|
|
|
| 221310
|
Water Supply and Irrigation Systems
|
|
|
|
|
|
|
| 4941
|
Water Supply
|
|
|
|
| 4971
|
Irrigation Systems
|
| 22132
|
Sewage Treatment Facilities
|
|
|
|
| 221320
|
Sewage Treatment Facilities
|
| 4952
|
Sewerage Systems
|
| 22133
|
Steam and Air-Conditioning Supply
|
|
|
|
| 221330
|
Steam and Air-Conditioning Supply
|
| 4961
|
Steam and Air-Conditioning Supply
|
