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Department of Homeland Security 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 Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC R499
Last updated: April 6, 2026

Visible recipients

46

Mapped obligations

$206,068,042,197

State overlap

4

Top recipients

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

Noblis, Inc.

Reston, VA

Noblis, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $262,597,651 in visible federal obligations across 376 awards or transactions. Department of Transportation 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.

$2,279,818,746

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.

$2,054,049,790

Amentum Technical Services LLC

Aiken, SC

Amentum Technical Services LLC is a federal category business profile based in Aiken, SC. The current public data layer shows $221,963,528 in visible federal obligations across 7 awards or transactions. Department of Transportation 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.

$325,612,731

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 $163,252,765 in visible federal obligations across 275 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.

$1,452,251,521

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 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 R408.

$837,511,707

Sev1tech, LLC

Woodbridge, VA

Sev1tech, LLC is a federal category business profile based in Woodbridge, VA. The current public data layer shows $134,333,750 in visible federal obligations across 225 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.

$420,503,011

Guidehouse Digital LLC

Mc Lean, VA

Guidehouse Digital LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $116,712,874 in visible federal obligations across 385 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 D318.

$245,096,878

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Nv5 Geospatial, Inc. is a federal category business profile based in Saint Petersburg, FL. The current public data layer shows $90,434,064 in visible federal obligations across 132 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541360 (Geophysical Surveying and Mapping Services). The profile also shows meaningful product and service activity in PSC C219.

$45,570,087

Akima Systems Engineering LLC

Herndon, VA

Akima Systems Engineering LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $76,312,079 in visible federal obligations across 235 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.

$106,008,279

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Wsp USA Environment & Infrastructure Inc. is a federal category business profile based in Blue Bell, PA. The current public data layer shows $75,654,386 in visible federal obligations across 310 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2NA.

$390,609,023
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