Ent is a Colorado state community chartered credit union offering membership benefits to all who live, work, worship or attend school in Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, El Paso, Elbert, Fremont, Jefferson, Larimer, Pueblo, Teller and Weld counties.

Ent was chartered in 1957 to serve military and civilian personnel assigned to Ent Air Force Base (now the United States Olympic Training Center) and Peterson Field (now Peterson Space Force Base) in Colorado Springs, Colorado.

Ent's community charter change, to serve El Paso and Teller counties in Colorado was approved by the National Credit Union Administration in 1999.

Ent changed from a federal to a state of Colorado credit union charter on January 1, 2016.

Ent's charter was expanded in October 2018 to include Adams, Boulder, Broomfield, Elbert, Larimer and Weld counties.