Railroad Retirement Board NAICS 621111 contractors

Offices of Physicians (except Mental Health Specialists). Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Railroad Retirement Board.

Agency: Railroad Retirement Board

Last updated: April 4, 2026

Visible recipients

Mapped obligations

$13,056,204,789

Visible recipients tied to Railroad Retirement Board and NAICS 621111

Qtc Medical Services INC

San Antonio, TX

Qtc Medical Services INC is a federal category business profile based in San Antonio, TX. The current public data layer shows $4,159,648,958 in visible federal obligations across 148 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 621111 (Offices of Physicians (except Mental Health Specialists)). The profile also shows meaningful product and service activity in PSC Q403.

$13,056,204,789