Rochester Regional Health in Rochester, New York is an integrated health system that was formed in 2014 by the joining of Rochester General and Unity Health systems. The network includes 11 hospitals, ElderONE/PACE (Program for All-Inclusive Care for the Elderly) and home health programs, a college of health careers, outpatient laboratories, rehabilitation programs and surgical centers, independent and assisted living centers and skilled nursing facilities. They serve families in communities from the Greater Rochester area across Western New York, Finger Lakes region, and the St. Lawrence region of Northern NY. Rochester Regional also operates a global clinical trials and testing subsidiary, ACM Global Laboratories, that operates in 65 countries. Rochester Regional Health is Rochester's second-largest employer, and the largest employer in St. Lawrence County. The system has 19,000 employees, which includes 2,200 medical providers, 4,000 nurses, and over 750 volunteers. Rochester General Hospital, the flagship hospital for the health system, is ranked as the 11th busiest emergency room in the nation and 3rd in New York State.