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Home/Maryland/Environmental Protection Agency/PSC D399

State + agency + PSC page

Environmental Protection Agency PSC D399 contractors in Maryland

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Use this deeper state-buyer-PSC page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Maryland + Environmental Protection Agency
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$223,097,326

Top NAICS links

4

Top recipients

Visible recipients tied to Environmental Protection Agency, Maryland, and PSC D399

Aitheras LLC

Rockville, MD

Aitheras LLC is a federal 8a program participant profile based in Rockville, MD. The current public data layer shows $2,969,219 in visible federal obligations across 45 awards or transactions. Department of Justice appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R499.

$9,035,187

Leidos Management Systems Designers, Inc.

Gaithersburg, MD

Leidos Management Systems Designers, Inc. is a federal category business profile based in Gaithersburg, MD. The current public data layer shows -$1,036,062 in visible federal obligations across 9 awards or transactions. Department of the Treasury appears as the strongest visible awarding agency. Top industry concentration is in NAICS 443120 (Computer and Software Stores). The profile also shows meaningful product and service activity in PSC D308.

$214,062,139

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Open NAICS 443120

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Open NAICS 541519

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Open NAICS 541512

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Open NAICS 541990

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