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Department of the Interior 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 the Interior
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$2,052,881,193

Cross-code depth

4 filters

Top recipients

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

Odyssey Systems Consulting Group, Ltd.

Wakefield, MA

Odyssey Systems Consulting Group, Ltd. is a federal category business profile based in Wakefield, MA. The current public data layer shows $415,437,767 in visible federal obligations across 257 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.

$1,569,528,910

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 $32,979,902 in visible federal obligations across 56 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

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