# NAICS 517111: Wired Telecommunications Carriers

The SBA size standard for NAICS 517111 is 1,500 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 517111 |
| Title | Wired Telecommunications Carriers |
| Level | 6 |
| Parent | 51711 |
| Size standard | 1,500 employees |
| Footnote | - |

## Description

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 

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/517111/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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