Industry Description
Government establishments primarily engaged in regulation, licensing, planning, inspection and investigation of transportation services and facilities. Motor vehicle and operator licensing is classified here. Establishments of the Coast Guard that perform functions related to the regulation, administration and operation of transportation are included here. Also included in this industry are civilian government air traffic control and aircraft inspection establishments. Parking authorities are classified here, but the operators of lots and garages are classified in Services, Industry 7521. Operators of railroads, subways, depots, ports, toll roads and bridges, and other transportation facilities are classified in Transportation and Public Utilities,
Business Examples
Common types of business activities within US SIC 9621 - Regulation and Administration of Transportation Programs are:
- Air traffic control operations—government
- Aircraft inspection-government
- Licensing and inspection of transportation facilities and services-government
- Motor carrier licensing and inspection offices—government
- Port authorities and districts—nonoperating
- Railroad and warehouse commissions—nonoperating
- Transportation regulatory agencies—government
IBISWorld Industry Research Report
Airport Operations in the US (48811)
Revenue 2025
$17bn
Growth 2025
1.22%
Key Trends
The industry is characterized by a disparity between operator sizes and government involvement
The pandemic has significantly disrupted domestic business activity, leading to a rise in unemployment and tapering of consumer spending activity
The rapid transition to remote working may reduce business-related travel
Products and Services
US-SIC Hierarchy 9621 - Regulation and Administration of Transportation Programs
US-SIC Code 9621 - Regulation and Administration of Transportation Programs sits in the 2-digit Regulation and Administration of Transportation Programs sector. US SIC codes can be 2 to 8 digits and the further along the hierarchy, the more detailed and specific the category will be.
Division: J
Division Title: Public Administration
2 Digits 3 Digits 4 Digits
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911 Executive Offices
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912 Legislative Bodies
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913 Executive and Legislative Offices Combined
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919 General Government, Not Elsewhere Classified
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921 Courts
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922 Public Order and Safety
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931 Public Finance, Taxation, and Monetary Policy
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941 Administration of Educational Programs
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943 Administration of Public Health Programs
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945 Administration of Veteran's Affairs, Except
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951 Administration of Environmental Quality
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953 Administration of Housing and Urban
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961 Administration of General Economic Programs
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962 Regulation and Administration of Transportation
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963 Regulation and Administration Of
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964 Regulation of Agricultural Marketing and
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965 Regulation, Licensing, and Inspection Of
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966 Space Research and Technology
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971 National Security
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972 International Affairs
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999 Nonclassifiable Establishments
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Extended US-SIC Hierarchy for 9621 - Regulation and Administration of Transportation Programs
For business marketing and targeting, US SIC Codes have been extended to provide more specific classifications within US-SIC 9621 - Regulation and Administration of Transportation Programs. Extended US SIC Codes are being continuously updated to reflect the current business environment.
6 Digit SIC Codes
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962101 Federal government-transportation prgrms
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962102 State government-transportation programs
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962103 County govt-transportation programs
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962104 City government-transportation programs
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962105 Port services
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962107 Transportation authorities
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962108 Aircraft inspection
8 Digit SIC Codes
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96210000 Regulation, administration of transportation
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96210100 Aircraft regulating agencies
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96210101 Air traffic control operations, government
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96210102 Aircraft inspection, government
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96210200 Licensing agencies
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96210201 Licensing, inspection: transportation facilities, services
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96210202 Motor carrier licensing and inspection office, government
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96210203 Motor vehicle licensing and inspection office, government
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96210300 Water vessels and port regulating agencies
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96210301 Coast Guard, regulation and administration of transportation
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96210302 Port authority or district: government, nonoperating
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96210400 Regulation, administration of transportation, level of government
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96210401 Regulation, administration of transportation, Federal government
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96210402 Regulation, administration of transportation, State government
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96210403 Regulation, administration of transportation, County government
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96210404 Regulation, administration of transportation, Local government
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96219900 Regulation, administration of transportation, nec
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96219901 Bureau of public roads
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96219902 Interstate Commerce Commission
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96219903 Railroad and warehouse commission, government
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96219904 Transit system or authority: government, nonoperating
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96219905 Transportation department: government, nonoperating
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