NAICS 517110 and PSC R499 contractors

Wired Telecommunications Carriers. SUPPORT- PROFESSIONAL: OTHER. Cross-code contractor overlap.

NAICS 517110 + PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$23,753,107,161

State overlap

Top recipients

Visible recipients in the NAICS 517110 and PSC R499 overlap

Northrop Grumman Information Technology INC

Mclean, VA

Mclean, VA | 5 awards | Top agency Department of Defense | NAICS 541511

$1,756,964,220

General Dynamics Information Technology, Inc.

Falls Church, VA

Falls Church, VA | 3,177 awards | Top agency Department of Defense | NAICS 541512

$15,036,302,600

Caci Nss, LLC

Reston, VA

Reston, VA | 109 awards | Top agency Department of Defense | NAICS 541519

$2,793,335,851

American Systems Corporation

Mclean, VA

Mclean, VA | 295 awards | Top agency Department of Defense | NAICS 541330

$1,058,339,761

Mantech Enterprise Management, Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541712

$4,335,049

Smartronix, LLC

Hollywood, MD

Hollywood, MD | 179 awards | Top agency General Services Administration | NAICS 541330

$695,379,737

Caci-iss, LLC

Chantilly, VA

Chantilly, VA | 26 awards | Top agency Department of Defense | NAICS 517110

$1,159,986,614

Tyto Government Solutions INC

Reston, VA

Reston, VA | 88 awards | Top agency Department of Defense | NAICS 541330

$313,969,734

Lower Brule Sioux Tribe

Lower Brule, SD

Lower Brule, SD | 111 awards | Top agency Department of the Interior | NAICS 541611

$530,856

Leidos Innovations Corporation

Gaithersburg, MD

Gaithersburg, MD | 2 awards | Top agency Department of Transportation | NAICS 334290

$574,882

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