Millennium Systems (Mil-sys) is a managed IT (information technology) service for small to medium sized businesses across Southern California.

Business is driven by fast paced technology.


Software updates, application updates, and hardware upgrades are a constant need for a reliable secure network.


Small to medium size businesses without an IT department, may find it difficult to manage their network alone.

This is where Mil-Sys comes in.

Most often referred to as "the computer guy", the unified team of support professionals at Mil-Sys has evolved with the technology advancements of the times.

Partnered with Microsoft they have led the way in deploying and managing Office 365 Business Platform Solutions across Southern California.


Mil-Sys takes the guesswork out of IT.  By securing your network, Mil-Sys provides a reliable network that can face the largest of challenges.



IT Support

IT Consulting

Strategic Planning

Back up and Disaster Recovery

Cloud Services

Remote and Onsite Support

Since 1992

Get more from your network with our Managed IT Services



a division of CBII, Inc

formerly Millennium Systems

Copyright © 2018 Millennium Systems