Deep Foundations Institute

The Deep Foundations Institute (DFI) is an international membership association of contractor, engineers and suppliers in the field of design and construction of deep foundations and excavations. The organization is classified as a 501(c)(6) non-profit corporation under the United States Internal Revenue Code. DFI was formed in 1976.
The institute functions via the volunteer activity of its members, including an 18-member board of trustees, and through the management of its staff located in Hawthorne, New Jersey.