Circle Computer Corporation was established in the USA in 1989, specializing in the purchase, resale and service of used IBM midrange, mainframe, and peripheral equipment. We have since expanded and in addition to IBM we now include Amdahl, Hitachi, Storagetek, EMC, and others in our product line.

Our goal is to take care of all your hardware needs through the entire life cycle including: mainframe engineering, installations, custom configurations, upgrades, refurbishing, servicing, equipment maintenance, de-installation, transportaion, auditing and warehouse storage. Quality and Service is our Primary Mission.