SIC Code 9631 Regulation and Administration of Communications, Electric, Gas, and other Utilities


Public Administration


Government establishments primarily engaged in regulation, licensing and inspection of communications, electric (including nuclear), gas, water, sewer, and other utilities.

Cross References

Operators of utilities are classified in Transportation and Public Utilities, Division E. All establishments of the U.S. Postal Service are classified in Transportation and Public Utilities, Industry 4311.

Illustrative Examples

Communications commissions-government, Irrigation districts-nonoperating, Licensing and inspection of utilities, Mosquito eradication districts, Nuclear energy inspection and regulation offices, Public service commissions, Public utility commissions, Regulation of utilities, Sanitary districts-nonoperating

Industry Leaders

Further Classification

6-digit SIC

  • 963101Federal Govt-reg & Adm-comms/utilities
  • 963102State Govt-reg & Adm-comms & Utilities
  • 963103County Govt-reg & Adm-comms/utiuties
  • 963104City Govt-regulation/adm-comms/utilities

7-digit SIC

  • 9631001Utilities Regulation & Administration
  • 9631002City Government-regulation/administration-comms/utilities
  • 9631003Government-public Utility Commissions
  • 9631004State Government-reg & Administration-comms/utilities
  • 9631005County Government-reg & Administration-comms/utilities
  • 9631006Federal Government-reg & Administration-comms/utilities
  • 9631007Government-communications Commission
  • 9631008Government-public Services Commission (except Transportation)
  • 9631009Irrigation District-government
  • 9631010Licensing & Inspection Of Utilities, Government
  • 9631011Mosquito Eradication District, Government
  • 9631012Nuclear Energy Inspection & Regulation Office, Government
  • 9631013Sanitary District

8-digit SIC

  • 96310000Regulation, Administration Of Utilities
  • 96310401Regulation, Administration Of Utilities, Federal Government
  • 96310402Regulation, Administration Of Utilities, State Government
  • 96310403Regulation, Administration Of Utilities, County Government
  • 96310404Regulation, Administration Of Utilities, Local Government
  • 96319901Communications Commission, Government
  • 96319902Irrigation District: Government, Nonoperating
  • 96319903Licensing And Inspection Of Utilities, Government
  • 96319904Mosquito Eradication District, Government
  • 96319905Nuclear Energy Inspection And Regulation Office, Govt.
  • 96319906Public Service Commission, Except Transportation: Govt.
  • 96319907Public Utility Commission, Government
  • 96319908Sanitary District: Nonoperating, Government