We want to thank the following groups and organizations that have endorsed the Hardwood Tree Museum and its goals:
- Janet Huckabee Arkansas River Valley Nature Center
- University of Arkansas – Fort Smith History Department
- Fort Smith Historical Society
- Arkansas Game and Fish Commission
- Fort Smith Museum of History
- Chaffee Crossing Trust
- Arkansas Museum Association
- Fay Jones School of Architecture at University of Arkansas – Fayetteville
- Southwest Times Record
