541860  Direct Mail Advertising 

This industry comprises establishments primarily engaged in (1)
creating and designing advertising campaigns for the purpose of
distributing advertising materials (e.g., coupons, flyers, samples) 
or specialties (e.g., key chains, magnets, pens with customized 
messages imprinted) by mail or other direct distribution; and/or 
(2) preparing advertising materials or specialties for mailing or 
other direct distribution. These establishments may also compile, 
maintain, sell, and rent mailing lists. 

The data published with NAICS code 541860 are comprised of this part 
of the following SIC industry:

     7331 (pt)  Direct Mail Advertising Services (Except Mail
                List Services)