Join CSI

Online Membership Form

To join CSI, please fill out this online form and submit it using the “Join CSI” button below. Membership dues are $35 for one year individual membership, $50 for a one year family membership (US funds). All membership applications submitted after October 1st will expire on December 31st of the following calendar year.

Founding members (joining prior to December 31, 2003) who maintain a continuous membership, will receive discounts on all fees charged by CSI, excluding membership.