Department of Transportation NAICS 541519 and PSC D399 contractors

Other Computer Related Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under Department of Transportation.

Department of Transportation · NAICS 541519 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$39,969,213,509

State overlap

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541519 and PSC D399

Northrop Grumman Information Technology INC

Mclean, VA

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

$3,220,865,075

Science Applications International Corporation

Reston, VA

Reston, VA | 3,314 awards | Top agency Department of Defense | NAICS 541512

$5,894,953,709

Liberty It Solutions LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$717,012,899

Leidos, Inc.

Reston, VA

Reston, VA | 9,621 awards | Top agency Department of Defense | NAICS 541512

$16,213,412,629

Dlt Solutions, LLC

Herndon, VA

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

$3,769,492,435

Microtechnologies LLC

Delray Beach, FL

Delray Beach, FL | 723 awards | Top agency Department of Veterans Affairs | NAICS 541519

$3,219,306,872

General Dynamics One Source LLC

Falls Church, VA

Falls Church, VA | 158 awards | Top agency Department of Defense | NAICS 541512

$1,105,121,259

Sparksoft Corporation

Columbia, MD

Columbia, MD | 52 awards | Top agency Department of Health and Human Services | NAICS 541512

$405,851,467

Macaulay-brown, Inc.

Dayton, OH

Dayton, OH | 5 awards | Top agency General Services Administration | NAICS 541511

$2,957,874

Mantech Enterprise Management, Inc.

Fairfax, VA

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

$90,949,507

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