Carolinas HealthCare System (Charlotte, N.C.). Carolinas HealthCare System is one of the largest health systems in the Southeast. In 2015, the health system was one of 64 recipients of the National Business Group on Health's Best Employers for Healthy Lifestyles awards. G.I. Jobs named Carolinas HealthCare a Military Friendly Employer and a Military Friendly Spouse Employer in 2016. The system also earned Platinum recognition from the American Heart Association as a Fit-Friendly Worksite in 2016.