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Department of Homeland Security NAICS 621111 and PSC Q999 contractors

Offices of Physicians (except Mental Health Specialists). MEDICAL- OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 621111 · PSC Q999
Last updated: April 5, 2026

Visible recipients

4

Mapped obligations

$29,049,645,196

State overlap

3

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 621111 and PSC Q999

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.

$13,076,676,246

Optumserve Health Services, Inc.

La Crosse, WI

Optumserve Health Services, Inc. is a federal category business profile based in La Crosse, WI. The current public data layer shows $3,482,949,179 in visible federal obligations across 61 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.

$12,828,269,734

Loyal Source Government Services LLC

Orlando, FL

Loyal Source Government Services LLC is a federal category business profile based in Orlando, FL. The current public data layer shows $2,274,743,658 in visible federal obligations across 96 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.

$3,139,506,466

Vighter LLC

San Antonio, TX

Vighter LLC is a federal category business profile based in San Antonio, TX. The current public data layer shows $1,492,227 in visible federal obligations across 31 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561320 (Temporary Help Services). The profile also shows meaningful product and service activity in PSC Q403.

$5,192,750