The Sisseton Wahpeton Federal Credit Union All Credit Levels is a cdfi lender from Sisseton Wahpeton Federal Credit Union. This product reports activity to your personal credit report. Sisseton Wahpeton Federal Credit Union is a Native CDFI that provides personal banking services to members of the Sisseton-Wahpeton Sioux tribe, employees of local schools, the Indian Health Service, and the Bureau of Indian Affairs. They offer a range of lending options including personal loans, auto loans, and financial counseling to help members achieve financial independence. Services include: personal loans, auto loans. US Treasury certified CDFI Credit Union in Agency Village, SD. Native CDFI.. Membership required.