Sectors
ShareCompartir
What are the sectors?
Sector definitions follow the North American Industry Classification System (NAICS), which has replaced the U.S. Standard Industrial Classification (SIC) system. More information about NAICS can be found on the U.S. Census Bureau North American Industry Classification System page. NAICS provides definitions for 20 sectorswhich NIOSH aggregated into ten sector groups as follows:
| NORA Sector Group | NAICS Code |
|---|---|
| Agriculture, Forestry & Fishing (except Wildland Firefighting) | 11 |
| Construction | 23 |
| Healthcare & Social Assistance | 62, 54194, 81291 |
| Manufacturing | 31-33 |
| Mining (except Oil and Gas Extraction) | 21 |
| Oil and Gas Extraction | 211, 213111 & 213112 |
| Public Safety (including Wildland Firefighting) | 92212, 92214, 92216 & 62191 |
| Services (except Public Safety) | 51, 52, 53, 54, 55, 56, 61, 71, 72, 81 & 92 |
| Transportation, Warehousing & Utilities | 48-49 & 22 |
| Wholesale and Retail Trade | 42 & 44-45 |
More information about NIOSH’s work in each sector can be accessed through the NIOSH Program Portfolio page .
- Page last reviewed: July 27, 2016
- Page last updated: July 27, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Office of the Director