the largest private health insurance company in the US. Blue Shield began in 1917 and its main competitor Blue Cross began in 1929. They joined in 1982. The Blue Cross and Blue Shield Association consists of a number of independent Blue Cross and Blue Shield companies covering the whole of the US and Puerto Rico.
شرکت بیمه سلامت بلو کراس بلو شیلد, بیمه بلوکراس بلوشیلد, شرکت بلوکراس بلوشیلد, بلوکراس بلوشیلد