For over 30 years, Commercial Telephone Systems has been providing communications solutions and services to businesses in Missouri, Illinois and throughout the United States. During that time CTS has satisfied thousands of customers by meeting their specific needs one customer at a time. Service is the motivating factor in our business. CTS will respond to major problems within two hours and minor issues usually that same day. Our technicians are exceptionally well qualified and friendly. We take pride in giving you the prompt attention you deserve and should expect from your communications source.
