In addition to the U.S. and International Host Organizations, numerous foundations and individuals have generously contributed funds to support the World Heritage USA International Intern Exchange Program. The following list of benefactors and donors have contributed to the program since 2001.
- Dorothy-Ann Foundation
- Keepers Preservation Education Fund
- The MARPAT Foundation
- The Royal Oak Foundation
- Samuel H. Kress Foundation
- Trust for Mutual Understanding
- U.S. State Department, National Science Academies