Day Air Credit Union, Inc. is a not-for-profit financial cooperative headquartered in Kettering, Ohio, founded in 1945 by 26 employees of the U.S. Air Force Depot. As of December 2025, it serves approximately 53,885 members across five locations in the Miami Valley region and ranks as the 9th largest credit union in Ohio. The institution is NCUA-insured and offers a full range of financial services including checking, savings, loans, mortgages, and investment products.
