Q27. How do I add a NAICS code or a Dun & Bradstreet (D&B) number?

  • On the Online Filing Home page, click on 'Edit' link beside the facility information.



  • Select the Facility Identification link
  • Add a NAICS code
    • Select the ID Type as NAICS
    • Enter the 6-digit NAICS number or choose a 6-digit code from the drop-down list to the ID Value's text box
    • Enter its description (e.g., industry name associated with the reported NAICS code)
    • Click on the 'Add' or 'Next' button to save.

To view a complete list of NAICS Sector codes and titles, visit the "Downloads/Reference Files/Tools" section of this website at http://www.census.gov/cgi-bin/sssd/naics/naicsrch.

  • Add a Dun & Bradstreet number
    • Select the "ID Type" as Dun and Bradstreet
    • Enter the 9-digit D&B number to the ID Value's text box
    • Enter its description (optional)
    • Click on the 'Add' or 'Next' button to save.

*** Important note: EPA allows non-business entities to enter "N/A" the ID Value's text box.

Dun & Bradstreet (D&B) provides a D-U-N-S Number, a unique nine digit identification number, for each physical location of your business. D&B Number assignment is FREE for all businesses required to register at http://www.dnb.com/us/.