NAICS 517110 — Wired Telecommunications Carriers 
BEA sector: Wired telecommunications carriers
Activity: Cable program distribution operators
Activity: Cable television distribution services
Activity: Cable TV providers (except networks)
Activity: Closed circuit television (CCTV) services
Activity: Direct broadcast satellite (DBS) services
Activity: Direct-to-home satellite system (DTH) services
Activity: Internet service providers, using own operated wired telecommunications infrastructure (e.g., cable, DSL)
Activity: Local telephone carriers, wired
Activity: Long-distance telephone carriers, wired
Activity: Multichannel multipoint distribution services (MMDS)
Activity: Music program distribution, cable or satellite
Activity: On-line access service providers, using own operated wired telecommunications infrastructure
Activity: Satellite master antenna television service (SMATV)
Activity: Satellite television distribution systems
Activity: Telecommunications carriers, wired
Activity: Television operations, closed circuit
Activity: VoIP service providers, using own operated wired telecommunications infrastructure