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CSI’s Member Directory contains contact information for thousands of construction professionals who belong to the Construction Specifications Institute. It is available only to CSI members in good standing. Search for a CSI member by name, company, location, CSI chapter or CSI Certification!

Current CSI members can log in to this app using the same username and password they use when accessing CSI’s Member Directory at Not sure what your login is? Contact CSI Member Services at

Visit CSI at for information on industry Formats, Standards and Certifications.

Try the CSI Membership Directory!

(Non-members may login with a "demo" username and password.)