Blue Cross and Blue Shield of Utah has contracted to provide health-care coverage through the ValueCare plan for 90 employees at Companion Systems, North Salt Lake, bringing to 500,000 the number of Utahns covered by BC and BS.

That total is 26 percent of the state's population and the largest membership in the company's 53-year history, said Kevin Bischoff, vice president of corporate communications.He said membership in Blue Cross and Blue Shield of Utah has grown by 200,000 in the past 10 years, primarily because so many different health plans are offered.

"Because of our large market share, we are the only insurer to offer Utah customers every major health-care network in the state from Intermountain Health Care to Columbia/HCA.