513210  Cable Networks 

This industry comprises establishments primarily engaged in operating
studios and facilities for the broadcasting of programs on a
subscription or fee basis. The broadcast programming is typically
narrowcast in nature (e.g., limited format, such as news, sports,
education, or youth-oriented). These establishments produce 
programming in their own facilities or acquire programming from 
external sources. The programming material is usually delivered to 
a third party, such as cable systems or direct-to-home satellite 
systems, for transmission to viewers. 

The data published with NAICS code 513210 are comprised of this part 
of the following SIC industry:

     4841 (pt)  Cable Networks