National Aeronautics and Space Administration NAICS 541620 contractors in California

Environmental Consulting Services. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

California + National Aeronautics and Space Administration

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$982,433,526

Visible recipients tied to National Aeronautics and Space Administration, California, and NAICS 541620

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.

$982,433,526