Department of Homeland Security PSC D399 contractors in Maryland

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Contractors in this state-buyer-PSC overlap.

Maryland + Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$3,045,526,745

Visible recipients tied to Department of Homeland Security, Maryland, and PSC D399

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$102,402,291

Enterprise Resource Planned Systems International, LLC

Laurel, MD

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

$58,881,346

Reli Group INC

Windsor Mill, MD

Windsor Mill, MD | 119 awards | Top agency Department of Health and Human Services | NAICS 541611

$97,484,363

Decisionpoint Corporation

Gaithersburg, MD

Gaithersburg, MD | 120 awards | Top agency Department of Defense | NAICS 541513

$23,118,612

Patriot LLC

Columbia, MD

Columbia, MD | 47 awards | Top agency Department of Health and Human Services | NAICS 541512

$98,279,767

Ellumen, Inc.

Silver Spring, MD

Silver Spring, MD | 52 awards | Top agency Department of Defense | NAICS 541512

$46,388,643

Systems Plus, Inc.

Rockville, MD

Rockville, MD | 56 awards | Top agency Department of Defense | NAICS 541330

$40,760,103

Leidos Innovations Corporation

Gaithersburg, MD

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

Advanced Technologies And Laboratories (atl) International, Inc.

Gaithersburg, MD

Gaithersburg, MD | 36 awards | Top agency Department of Energy | NAICS 562910

$6,638,050

The Centech Group Inc.

Bethesda, MD

Bethesda, MD | 40 awards | Top agency Department of Defense | NAICS 517110

$214,826,427

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