Chickasaw Telecommunications Services, Inc. (CTSI) is one of several sister companies in the Chickasaw Family. CTSI is a facilies-based Competitive Local Exchange Carrier (CLEC), providing local dial tone, Internet, Special Access, and enhanced services in competitive markets in Oklahoma. We work closely with our sister companies to provide end-to-end solutions and we can serve as your single point of contact for your telecommunications needs.
