.: C.S.I.S. or "Complete Sentient Information Systems" is a full service networking firm located just east of Toronto, servicing the GTA and Durham Region.

.: Complete Sentient Information Systems, founded in 1994, is one of the most estabilished IT firms in the Durahm Region Area. Providing Managed Services, On Demand Services, Cloud Solutions, and Product sales for all sizes of businesses. We pride ourselves on being a great stable long term IT partner for our clients.