Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options
CDC Home

Transportation, Warehousing, and Utilities Sector Description

The NORA Transportation, Warehousing and Utilities (TWU) super sector grouping includes two parts: the NAICS Transportation and Warehousing Sector and the Utilities Sector. The Transportation sub-sectors include industries providing transportation of passengers and cargo; scenic and sightseeing transportation; and support activities related to modes of transportation. The Warehousing sub-sector includes industries providing warehousing and storage of goods. The Utilities sub-sector comprises establishments engaged in providing, servicing, and distributing; electric power; natural gas; steam supply; water supply; and sewage removal. The TWU super sector represents 5.1% of the U.S. workforce across the ten NORA sectors. The following table represents the employment and fatality information for the TWU super sector.

Employment and Establishment Numbers for 2011

Transportation, Warehousing, and UtilitiesNAICSEmployment 2011
(% of total TWU)
Fatality rate per 100,000 FTE
Transportation and Warehousing48-495,954,000 (82.7%)13.1
Air Transportation481508,000 (7.1%)5.7
Couriers and Messengers492693,000 (9.6%)2.2
Pipeline Transportation48657,000 (0.8%)7.0
Postal Service491711,000 (9.9%)2.7
Rail Transportation482246,000 (3.4%)11.8
Scenic and Sightseeing Transportation48734,000 (0.5%)20.7
Support Activities for Transportation488801,000 (11.1%)11.4
Transit and Ground Passenger
485738,000 (10.3%)10.3
Truck Transportation4841,737,000 (24.1%)27.9
Water Transportation48367,000 (0.9%)19.4
Warehousing and Storage493361,000* (5.0%)4.4


U.S. Census Bureau for the U.S. Bureau of Labor Statistics (BLS), Current Population Survey (CPS):
U.S. Bureau of Labor Statistics (BLS),Data Tools, Workplace Injuries, Occupational Injuries and Illnesses and Fatal Injuries Profiles:

*Employment estimates for the Warehousing and Storage sub-sector differ between the Bureau of Labor Statistics Current Population Survey and the Survey of Occupational Injury and Illness datasets.

For more information about the NORA Transportation, Warehousing and Utilities sector grouping, see the North American Industry Classification System (NAICS) Web site (Codes 48-49 & 22).

The Industry at a Glance profile from the U.S. Bureau of Labor Statistics provides detailed information about employment, wages, productivity, and occupational outlook for each sector in the NAICS Trade, Transportation, Warehousing and Utilities Super sector, which includes the sectors in the NORA Transportation, Warehousing and Utilities sector grouping.

Contact Us:
  • Page last reviewed: March 14, 2013
  • Page last updated: December 20, 2013 The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30329-4027, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC-INFO