NAICS + PSC page

NAICS 541330 and PSC AS12 contractors

Engineering Services. TRANSPORTATION R&D SERVICES; SURFACE TRANSPORTATION, PUBLIC TRANSIT, AND RAIL; APPLIED RESEARCH. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC AS12

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$657,286

State overlap

Top recipients

Visible recipients in the NAICS 541330 and PSC AS12 overlap

Modjeski And Masters INC

Mechanicsburg, PA

Modjeski And Masters INC is a federal category business profile based in Mechanicsburg, PA. The current public data layer shows $3,936,462 in visible federal obligations across 5 awards or transactions. Small Business Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC U008.

$657,286