Joining CSI
CSI brings together specifiers, architects, engineers, contractors,  building materials suppliers, owners, and others. Click for more.

Benefits for Members
Look for CSI member discounts in The CSI Store and when registering for education and certification events!
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Building Product Manufacturers Alliance
The BPMA is alliance of leading building product manufacturers sharing knowledge on topics of mutual interest to better reach and serve the building team.
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For more information about Long Island Chapter membership, contact the Membership Chair, Ken Raikowski, CSI, AHC at