The Co-op City Department of Public Safety staffs a full time Emergency Service Unit (ESU) that is trained and equipped to respond to medical, rescue, and tactical emergencies. ESU crews are on duty 24 hours a day, 7 days a week. All ESU members are trained and certified as Emergency Medical Technicians. Prospective ESU candidates are required to complete the Basic EMT training course, followed by continuous in service training during their tenure with ESU.