Mutual Aid Ambulance Service, Inc., the largest ambulance service in Westmoreland County, Pennsylvania, provides emergency medical care to residents across 34 communities, expanding nearly 1,000 square miles. In addition to providing ambulance service in urban and rural areas, Mutual Aid Ambulance Service, Inc., runs a nationally-recognized Emergency Medicine Education Institute which provides EMT and paramedic certification programs as well as CPR, AED, and first aid bystander and rescuer safety educational programs.