Blue Cross & Blue Shield United of Wisconsin is the largest health insurance company in the state. They are also the most experienced. Since opening their doors in 1940, they have dedicated themselves to giving the people of Wisconsin the best service and value possible. Headquartered in Milwaukee and formed by the combination of Blue Cross & Blue Shield United of Wisconsin and United Wisconsin Services, Inc., Cobalt Corporation (NYSE: CBZ) serves 2 million lives in 49 states.
The Blue Cross and Blue Shield System consists of 39 independently operated Blue Cross and Blue Shield member companies, a Federal Employee Program and an Association, which serves the collective needs of the Blue Cross and Blue Shield Plans.