Computer Maintenance Service, Inc.

Computer Maintenance Service provides onsite and depot computer, printing, and network support, equipment repair, managed IT, data backup and recovery, cloud computing, Microsoft 365, cybersecurity, and video-security solutions.

Since 1991, Computer Maintenance Service, Inc. has been providing Chicago and surrounding areas with comprehensive on-site and depot center computing, printing, and networking support. We currently service a large customer base comprised of almost every business and public sector, as well as thousands of residential computer users.