NAICS and DUNs

NAICS – North American Industry Classification System
(6 digit number used to describe type of business activity)
www.census.gov/epcd/www/naics.html

DUNS – Data Universal Numbering System
(9 digit number issued by Dun & Bradstreet unique to each business)
 https://eupdate.dnb.com/requestoptions.asp?cm_re=Homepage*Resources*DUNSNumberLink

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Michigan Small Business & Technology Development Center State Headquarters
Grand Valley State University - 1020 L William Seidman Center
50 Front Avenue SW - Grand Rapids, MI 49504 - P/616.331.7480 - F/616.331.7485 - sbtdchq@gvsu.edu

Small Business Association Michigan Economic Development Center Association of Small Business Development Centers