Archived - Standard Industrial Classification - Establishments (SIC-E) 1980
- N - Government Service Industries
- 83 - Local Government Service Industries
- 837 - Economic Services Administration
- 8371 - Transportation Administration
- 8372 - Resource Conservation and Industrial DevelopmentAdministration
- 8373 - Environment Administration
- 8374 - Housing Administration
- 8375 - Regional Planning and Development Administration
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