Clalit Health Services, the largest health maintenance organization (HMO) in Israel, and believed to be the second largest HMO in the world, has learned the value of pulling business intelligence (BI) from its data stores to help the organization provide better care for its 3.8 million members as it supports more than 70 million customer interactions per year.
http://bidataware.blogspot.com/2009/11/worlds-second-largest-hmo-moves-2.html