513 Broadcasting and Telecommunications
5131 Radio and Television Broadcasting
- 51311 Radio Broadcasting
- 513111 Radio Networks
- 513112 Radio Stations
- 51312 Television Broadcasting
5132 Cable Networks and Program Distribution
- 51321 Cable Networks
- 51322 Cable and Other Program Distribution
5133 Telecommunications
- 51331 Wired Telecommunications Carriers
- 51332 Wireless Telecommunications Carriers (except
Satellite)
- 513321 Paging
- 513322 Cellular and Other Wireless Telecommunications
- 51333 Telecommunications Resellers
- 51334 Satellite Telecommunications
- 51339 Other Telecommunications