Join CSI

CSI Membership

Founded in 1948, CSI is a national not-for-profit association dedicated to organizing the communication of construction information to improve project delivery processes. 

When you join CSI, you not only become a member of a chapter like ours but you are also connected to a national network of AECO professionals looking to grow their skills and advance our industry. 

Additional national membership benefits include online access to MasterFormat®, on-demand training videos, discounts on CSI certifications and training materials, and more. 

JOIN CSI

Joining CSI

All memberships include a membership to a home chapter.
 
You must have an account with CSI and be signed into the website to submit your application for membership.  Click or tap the button below to get started.
 
Questions? Contact CSI at csi@csinet.org or 800-689-2900 (M-F, 8AM-8PM, ET).