General Services Administration PSC Y1BA contractors

CONSTRUCTION OF AIR TRAFFIC CONTROL TOWERS. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under General Services Administration.

Agency: General Services Administration

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$242,587,169

Visible recipients tied to General Services Administration and PSC Y1BA

Walsh Federal LLC

Chicago, IL

Walsh Federal LLC is a federal category business profile based in Chicago, IL. The current public data layer shows $406,413,501 in visible federal obligations across 169 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1BZ.

$242,587,169