Department of Homeland Security NAICS 541715 and PSC B546 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SPECIAL STUDIES/ANALYSIS- SECURITY (PHYSICAL/PERSONAL). 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 541715 · PSC B546

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$52,696,338

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541715 and PSC B546

Knowesis, Inc.

Fairfax, VA

Knowesis, Inc. is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $8,389,178 in visible federal obligations across 39 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R699.

$52,696,338