State + agency + NAICS + PSC page

Department of Defense NAICS 541330 and PSC R425 contractors in Massachusetts

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Massachusetts · Department of Defense
Last updated: April 3, 2026

Visible recipients

4

Mapped obligations

$11,145,449,922

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of Defense, Massachusetts, NAICS 541330, and PSC R425

Noresco, LLC

Westborough, MA

Noresco, LLC is a federal category business profile based in Westborough, MA. The current public data layer shows $68,094,007 in visible federal obligations across 81 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.

$1,416,802,579

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

Leidos Security Detection & Automation, Inc. is a federal category business profile based in Tewksbury, MA. The current public data layer shows $33,267,580 in visible federal obligations across 55 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334517 (Irradiation Apparatus Manufacturing). The profile also shows meaningful product and service activity in PSC 6350.

$410,038,381

General Dynamics Mission Systems, Inc.

Taunton, MA

General Dynamics Mission Systems, Inc. is a federal category business profile based in Taunton, MA. The current public data layer shows $22,625,141 in visible federal obligations across 87 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 5895.

$9,245,295,060

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