Agency + PSC page

Department of Homeland Security PSC Q999 contractors

MEDICAL- OTHER. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of Homeland Security.

Agency: Department of Homeland Security
Last updated: April 5, 2026

Visible recipients

6

Mapped obligations

$1,928,199,631

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Homeland Security 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.

$20,471,457

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.

$1,671,411,426

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.

$137,855,699

Maximus INC

Mclean, VA

Maximus INC is a federal category business profile based in Mclean, VA. The current public data layer shows $194,545,463 in visible federal obligations across 5 awards or transactions. Department of Justice appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$13,205,239

International Sos Government Services LLC

San Antonio, TX

International Sos Government Services LLC is a federal category business profile based in San Antonio, TX. The current public data layer shows $146,908,536 in visible federal obligations across 61 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 524114 (Direct Health and Medical Insurance Carriers). The profile also shows meaningful product and service activity in PSC Q201.

$81,071,637

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.

$4,184,173