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Please note we have a new phone number for Sales: 616-930-7868. The easiest and best way to place an order is directly on this website.

CSI Members Receive a 20 Percent Discount

Am I A Member?

The 20 percent discount is applied after entering the school customer number. If you are not sure of your school number or of your membership status, inquire via email at sales@csionline.org.

New Member Schools Welcome!

If your school or organization is interested in becoming a member, click here to learn more, or call us at 800.635.8288.