Also, employees working at DoD agencies, such as the Defense Finance and Accounting Service, Tricare, the Office of the Inspector General and the Office of the Secretary of Defense, earned higher performance ratings and payouts overall than did their civilian counterparts in the three military service branches: United States Army, United States Navy, and United States Air Force.
As of 2012, WPS has contracts with the Department of Defense TRICARE Management Activity, TriWest Healthcare Alliance, and International SOS to provide TRICARE claims administration functions.