Welcome to the leading informational site on the post-tensioning construction method, sponsored by the Post-Tensioning Institute (PTI)—a nonprofit organization for the advancement of post-tensioned, prestressed concrete design and construction.

PTI represents a community of businesses and professionals dedicated to expanding quality post-tensioning applications.

Board of Directors

The PTI Board of Directors shall be responsible for the management and control of the Institute and its affairs. The Board shall be composed of one (1) director for each Post-Tensioning Member of the Institute, two (2) directors representing Prestressing Steel Supplier Members, two (2) directors representing Associate Members, one (1) director representing Consulting Company Members, one (1) director representing Installing Company Members, one (1) director representing Affiliate Members, three (3) directors representing Professional Members, one (1) director-at-large and the Officers of the Institute other than the Executive Director.

Membership

Members of the Institute include major post-tensioning material fabricators in the U.S., Canada and Mexico, and manufacturers of prestressing materials in the U.S., Canada, Mexico, Asia and Europe, and companies supplying materials, services and equipment used in post-tensioned construction. In addition, PTI has more than 500 professional engineers, architects and contractors.

PTI strives to provide a variety of meaningful benefits to its members. We are continuously adding, enhancing and reviewing new benefits to each of our membership categories.