517121 NEW 2022

Telecommunications Resellers

Information › Telecommunications › Wired and Wireless Telecommunications (except Satellite)

SBA Size Standard

1,500 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

51

Sector

Information

517

Subsector

Telecommunications

5171

Industry Group

Wired and Wireless Telecommunications (except Satellite)

517121

National Industry (This Code)

Telecommunications Resellers

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments engaged in purchasing access and network capacity from owners and operators of telecommunications networks and reselling wired and wireless telecommunications services to businesses and households (except satellite telecommunications and agents for wireless telecommunications services). Establishments in this industry resell telecommunications; they do not operate transmission facilities and infrastructure. Illustrative Examples: Mobile virtual network operators (MVNOs) (except agents) Pre-paid calling cards, telecommunications resellers Wired telecommunications resellers Wireless telecommunications resellers (except satellite telecommunications and agents)

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,500 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 517121

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Acting as agents for wireless telecommunications carriers and resellers--are classified in U.S. Industry 517122, Agents for Wireless Telecommunications Services;
Operating and maintaining wired telecommunications networks--are classified in U.S. Industry 517111, Wired Telecommunications Carriers;
Operating and maintaining wireless telecommunications networks--are classified in U.S. Industry 517112, Wireless Telecommunications Carriers (except Satellite); and
Reselling satellite telecommunications services--are classified in Industry 517410, Satellite Telecommunications.

How to Use NAICS 517121 in SAM.gov

NAICS code 517121Telecommunications Resellers — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Wired and Wireless Telecommunications (except Satellite) space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,500 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 517121.

Log in Entity Registration Goods & Services Add NAICS Code Enter 517121 Save

Frequently Asked Questions

What is NAICS code 517121?

NAICS code 517121 is 'Telecommunications Resellers', classified under the Information sector (NAICS 51). This U.S. industry comprises establishments engaged in purchasing access and network capacity from owners and operators of telecommunications networks and reselling wired and wireless telecommunicatio

What is the SBA small business size standard for NAICS code 517121?

The SBA defines a small business under NAICS code 517121 (Telecommunications Resellers) as one with 1,500 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 517121 in SAM.gov?

To register NAICS code 517121 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 517121 (Telecommunications Resellers) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Wired and Wireless Telecommunications (except Satellite)

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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