NAICS + PSC page

NAICS 541330 and PSC R425 contractors

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC R425
Last updated: April 6, 2026

Visible recipients

97

Mapped obligations

$424,030,578,186

State overlap

0

Top recipients

Visible recipients in the NAICS 541330 and PSC R425 overlap

Abbott On Call, Inc.

Vienna, VA

Abbott On Call, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $2,793,351 in visible federal obligations across 22 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.

$79,126,756

Peraton Aerospace & Defense Inc.

Huntsville, AL

Peraton Aerospace & Defense Inc. is a federal category business profile based in Huntsville, AL. The current public data layer shows $1,359,998 in visible federal obligations across 34 awards or transactions. Department of Defense 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 R425.

$496,430,514

Ameresco Federal Solutions, Inc.

Farmingham, MA

Ameresco Federal Solutions, Inc. is a federal category business profile based in Farmingham, MA. The current public data layer shows $427,461 in visible federal obligations across 18 awards or transactions. Department of Homeland Security 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 B540.

$73,313,902

Nv5 Consultants, Inc.

Saint Paul, MN

Nv5 Consultants, Inc. is a federal category business profile based in Saint Paul, MN. The current public data layer shows $66,922 in visible federal obligations across 31 awards or transactions. Department of State 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.

$72,786,358

Chenega Exp Federal Jv, LLC

Colorado Springs, CO

Chenega Exp Federal Jv, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $791 in visible federal obligations across 3 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.

$2,615,750

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.

$2,098,581,279

Northrop Grumman Technical Services, Inc.

Mclean, VA

Northrop Grumman Technical Services, Inc. is a federal category business profile based in Mclean, VA. The current public data layer shows -$1,436,690 in visible federal obligations across 26 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 488190 (Other Support Activities for Air Transportation). The profile also shows meaningful product and service activity in PSC J015.

$1,823,781,975
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