Department of the Interior NAICS 541990 and PSC R414 contractors

All Other Professional, Scientific, and Technical Services. SYSTEMS ENGINEERING SERVICES. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 541990 · PSC R414

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$533,021,234

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541990 and PSC R414

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 77 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.

$533,021,234