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Table Name: TRI_FACILITY_NAICS_HISTORY
Description: Historical representations of the North American Industry Classification System (NAICS) code or codes which best describe the business activities conducted at the 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 |
Columns:
Envirofacts Data Service API for TRI_FACILITY_NAICS_HISTORY: Envirofacts has developed a RESTful data service API to all of its internal data holdings. This functionality provides a user of Envirofacts with the ability to query any table through the use of a URL. The default output is in XML, which can be utilized in other applications, as well as tools such as Microsoft Excel or Access. Output options of CSV and Excel can be requested in the URL. The entire Envirofacts database metadata is available online, so that all tables and columns within Envirofacts are documented. Having the table structures available in this manner makes most of Envirofacts data easily available through the service. More information is available on the Envirofacts Services page.
Below is a sample of the first 10 rows of data for the TRI_FACILITY_NAICS_HISTORY table. The URL used to produce this output is:
https://data.epa.gov/efservice/TRI_FACILITY_NAICS_HISTORY/ROWS/0:10/EXCEL