CTI was founded as a Tennessee corporation in 1992 by Alan Mullen and Steve Harden, both former TOPGUN instructors and longtime residents of Germantown/Collierville, Tennessee. The company has grown steadily and now employs over 250 course developers, instructors and administrative staff in 19 states and across the world. The company headquarters is located in Memphis, TN. Other major CTI offices are located in Omaha, NE, Marysville, CA, Indian Springs, NV and Geilenkirchen, Germany. On June 20, 2013, CTI’s Quality Management System became ISO 9001:2008 certified.