For over 10 years, CTEKS has been installing, upgrading, and maintaining business computer systems all over Chicago and surrounding suburbs. We enjoy working with small and medium sized businesses and medical practices, helping them grow, and run smoothly. We help you take the advantage with the best of available technology. Our customers include Medical and Dental Practices, Retail Stores, and just about everything else from Accounting to Manufacturing. Installing successful systems and establishing long relationships with our customers, by maintaining those systems, is what we do best.