Agency + NAICS page

Department of Homeland Security NAICS 541710 contractors

Research and Development in the Physical, Engineering, and Life Sciences. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security
Last updated: April 8, 2026

Visible recipients

18

Mapped obligations

$22,674,205,299

Top PSC links

4

Top recipients

Visible recipients tied to Department of Homeland Security and NAICS 541710

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Hdr Environmental, Operations And Construction, Inc. is a federal category business profile based in Englewood, CO. The current public data layer shows $59,678,442 in visible federal obligations across 109 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$10,372,888

S & K Technologies, Inc.

Saint Ignatius, MT

S & K Technologies, Inc. is a federal american indian owned business profile based in Saint Ignatius, MT. The current public data layer shows $56,815,347 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R706.

$9,994,061

The Cadmus Group LLC

Arlington, VA

The Cadmus Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $26,069,830 in visible federal obligations across 289 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$3,568,642

Bevilacqua Research Corporation

Huntsville, AL

Bevilacqua Research Corporation is a federal category business profile based in Huntsville, AL. The current public data layer shows $4,812,421 in visible federal obligations across 41 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$4,356,945

The Centech Group Inc.

Bethesda, MD

The Centech Group Inc. is a federal category business profile based in Bethesda, MD. The current public data layer shows $2,563,704 in visible federal obligations across 40 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 517110 (Wired Telecommunications Carriers). The profile also shows meaningful product and service activity in PSC D399.

$41,215,158

Business Plus Corporation , A Subsidiary Of American Systems Corporation

Hampton, VA

Business Plus Corporation , A Subsidiary Of American Systems Corporation is a federal category business profile based in Hampton, VA. The current public data layer shows $1,585,431 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611699 (All Other Miscellaneous Schools and Instruction). The profile also shows meaningful product and service activity in PSC U009.

-$10

Odyssey Systems

Richmond, VA

Odyssey Systems is a federal category business profile based in Richmond, VA. The current public data layer shows $1,000 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$185,689,191

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

Booz Allen Hamilton Engineering Services, LLC is a federal category business profile based in Annapolis Junction, MD. The current public data layer shows -$410,371 in visible federal obligations across 11 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R414.

$264,570,485
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