NAICS 541990 and PSC AC31 contractors

All Other Professional, Scientific, and Technical Services. NATIONAL DEFENSE R&D SERVICES; DEFENSE-RELATED ACTIVITIES; BASIC RESEARCH. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC AC31

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$107,366,711

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC AC31 overlap

Chenega Professional & Technical Services LLC

Chesapeake, VA

Chenega Professional & Technical Services LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $25,255,069 in visible federal obligations across 75 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC R499.

$107,366,711