Other Telecommunications Services

Specialized telecommunications services not otherwise classified.

NAICS 517919 · Retired in NAICS 2022, now 517810 · Sector 51: Information

By Outrider Editorial Team · Updated October 7, 2026

SBA size standard under 517810

$40 million

Measured by average annual receipts over the last 5 fiscal years

Standard for 517810, the 2022 successor to retired code 517919. SBA table effective March 2023

FY2025 federal spending

The National Aeronautics and Space Administration bought 51% of the $873.2M obligated under 517919 in FY2025.

Contract awards
1,723
Contract vehicles (IDVs)
50

Top buying agencies

  1. National Aeronautics and Space Administration$446.2M
  2. Department of Defense$334.7M
  3. Department of Homeland Security$52.6M
  4. Department of State$10.4M
  5. Department of Agriculture$7.9M

FY2025 federal contract obligations, USAspending.gov

Other Telecommunications Services (NAICS 517919) is a catch-all for telecommunications services not classified elsewhere. This includes specialized communications services, telecommunications consulting, and communications services with unique features.

What Businesses Fall Under This Code

517919 includes specialized telecommunications providers, communications consultancies, and companies providing unique communication services. This might include companies providing specialized government communications, secure messaging infrastructure, or unique telecommunications solutions.

SBA Size Standard and What It Means

NAICS 2022 renumbered 517919 as 517810, All Other Telecommunications, with the same definition. Its SBA size standard is $40 million in average annual receipts.

Federal Spending in This Category

Federal spending in specialized telecommunications services varies based on specific needs. Agencies contract for unique communications services beyond standard telecom carriers.

Top Agencies Buying in This Code

Department of Defense, Department of State, Homeland Security, and the Intelligence Community are primary buyers of specialized telecommunications services. These agencies have unique communications requirements beyond commercial telecom.

Tips for Tech Companies Using This Code

Use 517919 if you provide specialized telecommunications services unique to government needs. Show understanding of federal communications requirements, security protocols, and specialized communication systems.

Pro Tip: 517919 should typically be a secondary code. If you can classify your services more specifically (517111 for infrastructure, 541513 for systems integration), do so. 517919 is for truly specialized services that don't fit other categories.

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