The Lawton economy and population are largely driven by the Fort Sill Military Reservation but also is supported by the health care industry, higher education and retail. Points of interest in the city are the Prince of Peace Easter Passion Play, the Museum of the Great Plains, and the Comanche National Museum. The local colleges are Cameron University, Comanche Nation College and the Great Plains Technology Center. The Comanche County Memorial Hospital is the largest medical facility in the area. As the fifth largest city in Oklahoma the city has a population of about 98,121 and many businesses require the use of a high quality Lawton outsourced call center and answering service. A live 24 hour telephone answering service is mission-critical for a small business that wants to continue to generate revenue after hours or during the day by way of a virtual receptionist. Having an emergency call center or answering service in the medical profession goes without saying, but having a local answering service as a small business owner is just smart business.