Department of Defense PSC D399 contractors

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

159

Mapped obligations

$98,114,873,825

Visible recipients tied to Department of Defense and PSC D399

It Concepts, Inc.

Mclean, VA

Mclean, VA | 98 awards | Top agency Department of Veterans Affairs | NAICS 541512

$27,020,550

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$411,964,334

Dlt Solutions, LLC

Herndon, VA

Herndon, VA | 614 awards | Top agency Department of Defense | NAICS 541519

$310,455,145

Enterprise Resource Planned Systems International, LLC

Laurel, MD

Laurel, MD | 5 awards | Top agency Department of Homeland Security | NAICS 541512

$58,881,346

Softrams LLC

Arlington, VA

Arlington, VA | 60 awards | Top agency Department of Health and Human Services | NAICS 541511

$92,246,567

Mantech Information Systems & Technology Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Justice | NAICS 541611

$62,872,801

Peraton Technology Services Inc.

Chantilly, VA

Chantilly, VA | 259 awards | Top agency General Services Administration | NAICS 541330

$135,416,081

Veterans Ez Info Inc.

San Diego, CA

San Diego, CA | 38 awards | Top agency Department of Veterans Affairs | NAICS 541512

$77,012,295

Tista Science And Technology Corporation

Rockville, MD

Rockville, MD | 37 awards | Top agency Department of Veterans Affairs | NAICS 541512

$554,741,951

Chickasaw Advisory Services, LLC

Norman, OK

Norman, OK | 5 awards | Top agency Department of Health and Human Services | NAICS 541519

$50,156,359

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