![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Column Name: NAICS_CODE
Description: The North American Industry Classification System (NAICS) Codes(s) that best describe the business activities conducted at a facility or establishment. NAICS codes are 6 digit numbers used by the Bureau of Census as part of a system to categorize and track the types of business activities conducted in the United States.
The individual digits within the NAICS code indicate different levels of granularity in identifying a business. Here is an example of the granularity the individual digits provide:
| No. | Example | |
| Digits | NAICS | Definition / Granularity |
| - - - - - | - - - - - - - | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| Two | 31xxxx | Manufacturing |
| Three | 311xxx | Food Manufacturing |
| Four | 3115xx | Food Manufacturing, Diary Products |
| Five | 31151x | Food Manufacturing, Diary Products, (Not Frozen) |
| Six | 311511 | Food Manufacturing, Diary Products, (Not Frozen), Fluid Milk |
A facility may be comprised of one or more establishments. An establishment is an economic unit, generally at a single physical location, where business is conducted or where services or industrial operations are performed. Each establishment may have a unique NAICS code.
Envirofacts Table Name(s):
Data Source:
- EPA Form R or EPA Form A:
Part I Section 4.5
Code values and descriptions are maintained in the table TRI_CODE_DESC where TABLE_ID = '20'.
- Type: Character
- Length: 6
- Mandatory
Return To: