NAICS + PSC page

NAICS 541330 and PSC R412 contractors

Engineering Services. SUPPORT- PROFESSIONAL: SIMULATION. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC R412

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$325,192

State overlap

Top recipients

Visible recipients in the NAICS 541330 and PSC R412 overlap

Apex Expert Solutions LLC

Chantilly, VA

Apex Expert Solutions LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $4,049,855 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611699 (All Other Miscellaneous Schools and Instruction). The profile also shows meaningful product and service activity in PSC U099.

$325,192