NAICS 517111 - Wired Telecommunications Carriers

This U.S. industry comprises establishments primarily engaged in operating, maintaining, and/or providing access to transmission facilities and infrastructure that they own and/or lease for the transmission of voice, data, text, sound, and video using wired telecommunications networks. Transmission facilities may be based on a single technology or a combination of technologies. Establishments in this industry use the wired telecommunications network facilities that they operate to provide a variety of services, such as wired telephony services, including VoIP services; wired (cable) audio and video programming distribution; and wired broadband Internet services. By exception, establishments providing satellite television distribution services using facilities and infrastructure that they operate are included in this industry.

Illustrative Examples:

• Broadband Internet service providers, wired (e.g., cable, DSL)
• Cable television distribution services
• Closed-circuit television (CCTV) services
• Direct-to-home satellite system (DTH) services
• Local telephone carriers, wired
• Long-distance telephone carriers, wired
• Multichannel multipoint distribution services (MMDS)
• Satellite television distribution systems
• Telecommunications carriers, wired
• VoIP service providers, using own operated wired telecommunications infrastructure

• Covers operation and maintenance of owned or leased wired transmission facilities.
• Includes services such as wired telephony, broadband internet, and cable TV distribution.
• Facilities may use single or multiple wired technologies like fiber, DSL, or coaxial cable.
• Applies to establishments providing satellite TV distribution via owned infrastructure as an exception.
• Typical size standards vary but often include small businesses with limited employee counts or revenue thresholds.
• Focuses on transmission of voice, data, text, sound, and video over wired networks.

• Operating wired telecommunications networks and infrastructure.
• Providing wired telephony and VoIP services using owned facilities.
• Delivering wired broadband internet services, including cable and DSL.
• Distributing cable and satellite television programming over wired systems.
• Maintaining and upgrading wired network transmission facilities.
• Offering closed-circuit television (CCTV) and multichannel multipoint distribution services.
• Leasing transmission facilities to other service providers or government agencies.
• Implementing security protocols and network management for wired communications.

• Broadband internet service providers using wired infrastructure.
• Local and long-distance wired telephone carriers.
• Cable television distribution companies.
• VoIP service providers with proprietary wired networks.
• Telecommunications infrastructure operators and maintenance contractors.
• Satellite television distributors operating wired transmission facilities.