Update: Telephone service appears to be restored on our main number
773-471-4700.
Due to severe flooding at our facility we are
experiencing difficulty receiving phone calls on our main telephone
number.
If you need assistance and you are unable to reach us on
our main number, you may call
773-402-9734 or fax to 773-471-4770.
We will post additional updates to our website as our status
changes.
Thank you.

An Important Message from CSO, Inc.
Updated: Monday, August 2, 2010