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Department of Defense NAICS 541330 and PSC R499 contractors

Engineering Services. 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 Defense.

Department of Defense · NAICS 541330 · PSC R499
Last updated: April 8, 2026

Visible recipients

149

Mapped obligations

$291,906,123,424

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC R499

Aalis Management Consulting LLC

Woodbridge, VA

Aalis Management Consulting LLC is a federal black american owned business profile based in Woodbridge, VA. The current public data layer shows $5,851,823 in visible federal obligations across 29 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$6,577,906

Icf Incorporated

Fairfax, VA

Icf Incorporated is a federal government profile based in Fairfax, VA. The current public data layer shows $5,505,384 in visible federal obligations across 5 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$2,112,979,714

Cognosante Cds, LLC

Arlington, VA

Cognosante Cds, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $5,384,027 in visible federal obligations across 20 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 R499.

$98,182,816

Solutions Through Innovative Technologies INC

Fairborn, OH

Solutions Through Innovative Technologies INC is a federal black american owned business profile based in Fairborn, OH. The current public data layer shows $5,348,826 in visible federal obligations across 72 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.

$639,321,874

Southland Industries

Sterling, VA

Southland Industries is a federal category business profile based in Sterling, VA. The current public data layer shows $4,836,806 in visible federal obligations across 15 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.

$48,953,739

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.

$246,015,063

Peraton Services & Solutions Inc.

Herndon, VA

Peraton Services & Solutions Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $4,474,420 in visible federal obligations across 17 awards or transactions. National Aeronautics and Space 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 R425.

$1,315,149,285

Btas INC

Beavercreek, OH

Btas INC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $4,198,007 in visible federal obligations across 50 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 R707.

$89,727,589

Alluvionic INC

Melbourne, FL

Alluvionic INC is a federal 8a program participant profile based in Melbourne, FL. The current public data layer shows $3,883,489 in visible federal obligations across 33 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$856,304

B3h Corporation

Fort Walton Beach, FL

B3h Corporation is a federal category business profile based in Fort Walton Beach, FL. The current public data layer shows $3,705,395 in visible federal obligations across 29 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$43,762,045
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