Railroad Retirement Board NAICS 621999 and PSC Q403 contractors

All Other Miscellaneous Ambulatory Health Care Services. MEDICAL- EVALUATION/SCREENING. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Railroad Retirement Board.

Railroad Retirement Board · NAICS 621999 · PSC Q403

Last updated: April 4, 2026

Visible recipients

Mapped obligations

$13,134,077,813

State overlap

Top recipients

Visible recipients in the Railroad Retirement Board overlap of NAICS 621999 and PSC Q403

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.

$13,134,077,813