Membership

Membership  |  Business Members

Download PDF Membership Form or Sign up online

The general benefits of becoming a member of COSC are: connection to a trusted green building resource, access to product research, and invites to local green building events with locally and nationally known speakers.

Annual Membership Options:

Individual/Family ($35)/Student ($15)

- Discounts on educational seminars, presentations and workshops

- Invitations to COSC member open houses and networking events

Nonprofit ($95)

- All the benefits of an Individual/Family membership

- Listing in the online resource directory on COSC's website

Corporate Sponsorship Opportunities

Click here to download information about COSC's Corporate Sponsorship Levels

Please make your check payable to COSC and mail to:

219 1/2 Fifth Street, Suite A

Historic Valley Junction

West Des Moines, IA 50265.