CSI of St. Louis, Inc. has been serving the St. Louis Area for over 45 years. We are determined to be the leader in the business communication solutions market place, and to show our customers just how important they are to us. The owners Rick Beck and Dan Fleck have a commitment to service and quality which has allowed for them to have experienced tremendous growth in the St. Louis region, which today exceeds over 3000 customers. CSI Telecommunications, Inc. provides telephone systems, voice processing systems, voice and data networks, consultative services for business telephone/internet service with the expertise to allow these technologies to improve your company’s working environment. The entire CSI team is critically aware of the importance that communications play in your business and your ability to produce a high level of service to your own customers.