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2002 NAICS Matched to 1987 SIC
Utilities

Industry
detail
2002
NAICS
2002 U.S. NAICS Description
Go to NAICS 221 categories 221 Utilities
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221   Utilities
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 Not comparable
      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 Not comparable
      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 Not comparable
      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 Not comparable
      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 Not comparable
      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 Not comparable
      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 Not comparable
      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 Comparable
      4941 Water Supply
      4971 Irrigation Systems
22132 Sewage Treatment Facilities  
221320 Sewage Treatment Facilities Not comparable 4952 Sewerage Systems
22133 Steam and Air-Conditioning Supply  
221330 Steam and Air-Conditioning Supply Comparable 4961 Steam and Air-Conditioning Supply
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Comparability Symbols link to the Bridge Between NAICS and SIC, 1997
(Bridge complete.) Comparable NAICS derivable from SIC data.
(Drawbridge slightly open.) Almost comparable Sales or receipts from SIC are within 3% of NAICS sales or receipts.
(Drawbridge open.) Not comparable NAICS sales or receipts cannot be estimated within 3% from SIC data.

Source: U.S. Census Bureau, NAICS Manual and 1997 Economic Census
Last revised: April 30 2003


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