Federal Contract Vehicles

MSS

DHA Medical Support Services (MSS)

DHA IDIQ Expired
Obligated to date
$644.4M
Task orders
567
Companies awarded
27

Vehicle overview

The DHA Medical Support Services (MSS) is a multi-award Indefinite Delivery/Indefinite Quantity (IDIQ) contract vehicle managed by the Defense Health Agency (DHA). It provides non-personal medical support services to supplement medical staff at Department of Defense (DoD) Military Treatment Facilities across the United States, District of Columbia, Guam, and Puerto Rico. The vehicle has a reported ceiling of $969 million.

Support service labor categories include clerical, certified, specialized, and technical health care workers. The contract is a total small business set-aside available for use by the DHA to support Air Force, Army, and Navy medical organizations.

Vehicle details

Ordering period

2018-2025

Where agencies spend through MSS

See which agencies and types of work reported the most positive obligations through MSS in the last 12 months.

Coverage period Jul 28, 2025–Jul 27, 2026

MSS contract holders

Top 15 of 27 companies by obligations.

NAICS coverage

Frequently asked questions

What is MSS?
The DHA Medical Support Services (MSS) is a multi-award Indefinite Delivery/Indefinite Quantity (IDIQ) contract vehicle managed by the Defense Health Agency (DHA). It provides non-personal medical support services to supplement medical staff at Department of Defense (DoD) Military Treatment Facilities across the United States, District of Columbia, Guam, and Puerto Rico. The vehicle has a reported ceiling of $969 million.
Which agency manages MSS?
DHA Medical Support Services (MSS) is a IDIQ managed by Defense Health Agency.
What can agencies acquire through MSS?
Support service labor categories include clerical, certified, specialized, and technical health care workers. The contract is a total small business set-aside available for use by the DHA to support Air Force, Army, and Navy medical organizations.
How much has been obligated through MSS?
$644.4M has been obligated across 567 task orders.
Which agencies use MSS?
In the 12 months ending July 27, 2026, agencies with reported awards through MSS included the Department of Defense. The Department of Defense reported $60.3M in positive obligations for All Other Miscellaneous Ambulatory Health Care Services (NAICS 621999). Figures use reported USAspending award data.
How many contractors hold MSS?
27 contractors hold a position on MSS.
Is MSS active?
No, MSS is not currently active — its status is expired (ordering period: 2018-2025).

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