US LEC has won a contract to provide voice and data services to more than 100 offices and locations affiliated with the University of Pittsburgh Medical Care Health System.

US LEC (Nasdaq: CLEC) says the health system will become its largest customer in the health care field as well as in Pennsylvania.

US LEC stock closed Tuesday at $2.35. Its stock has ranged from $1.89 to $6.90 over the past year.