Established in 1986, C.C.N. is a staffing firm that specializes in placing nurses in medical facilities and hospitals. Potential candidates must have graduated from an accredited nursing school and have a minimum of two years experience. In addition, they are required to pass a C.C.N. examination with a grade of 85 or higher. Employers and potential candidates are advised to visit the C.C.N. website to learn more about the firm.