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Department of Homeland Security NAICS 541715 and PSC R499 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 541715 · PSC R499
Last updated: April 8, 2026

Visible recipients

23

Mapped obligations

$9,874,353,013

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541715 and PSC R499

Caci, Inc. - Federal

Chantilly, VA

Caci, Inc. - Federal is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,193,416,204 in visible federal obligations across 1,137 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$2,696,455,497

Battelle Memorial Institute

Richland, WA

Battelle Memorial Institute is a federal category business profile based in Richland, WA. The current public data layer shows $1,605,472,967 in visible federal obligations across 103 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC M181.

$1,435,009,674

Lmi Consulting, LLC

Tysons Corner, VA

Lmi Consulting, LLC is a federal category business profile based in Tysons Corner, VA. The current public data layer shows $501,761,905 in visible federal obligations across 256 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 R499.

$1,008,343,102

Systems Planning And Analysis, Inc.

Alexandria, VA

Systems Planning And Analysis, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $300,519,048 in visible federal obligations across 238 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.

$733,398,831

Credence Management Solutions Limited Liability Company

Mclean, VA

Credence Management Solutions Limited Liability Company is a federal category business profile based in Mclean, VA. The current public data layer shows $240,056,157 in visible federal obligations across 222 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.

$400,745,940

Peraton Technology Services Inc.

Chantilly, VA

Peraton Technology Services Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $162,149,325 in visible federal obligations across 259 awards or transactions. General Services Administration 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 R499.

$786,636,920

American Systems Corporation

Mclean, VA

American Systems Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $147,161,687 in visible federal obligations across 295 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.

$745,387,738

Securigence LLC

Leesburg, VA

Securigence LLC is a federal alaskan native corporation owned firm profile based in Leesburg, VA. The current public data layer shows $134,804,914 in visible federal obligations across 71 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D301.

$3,000

Alpha Omega Integration LLC

Vienna, VA

Alpha Omega Integration LLC is a federal 8a program participant profile based in Vienna, VA. The current public data layer shows $77,751,000 in visible federal obligations across 93 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC DD01.

$45,162,137

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 77 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.

$392,179,999
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