NAICS + PSC page

NAICS 541310 and PSC R499 contractors

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

NAICS 541310 + PSC R499
Last updated: April 3, 2026

Visible recipients

4

Mapped obligations

$832,450,122

State overlap

0

Top recipients

Visible recipients in the NAICS 541310 and PSC R499 overlap

Tetra Tech, Inc.

Pasadena, CA

Tetra Tech, Inc. is a federal category business profile based in Pasadena, CA. The current public data layer shows $130,835,501 in visible federal obligations across 260 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 C219.

$475,938,720

Wsp USA Solutions INC

Arlington, VA

Wsp USA Solutions INC is a federal category business profile based in Arlington, VA. The current public data layer shows $37,946,568 in visible federal obligations across 227 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 C219.

$110,893,944

Michael Baker International, Inc.

Moon Township, PA

Michael Baker International, Inc. is a federal category business profile based in Moon Township, PA. The current public data layer shows $24,496,294 in visible federal obligations across 59 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 C211.

$123,859,990

Nika Technologies INC

Rockville, MD

Nika Technologies INC is a federal category business profile based in Rockville, MD. The current public data layer shows $22,602,373 in visible federal obligations across 41 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R499.

$121,757,468