It is also the 10th largest credit union nationally by total assets.

[5] After a 5% tax was proposed on the three largest credit unions in Utah, Mountain America converted from a state chartered to a federally chartered credit union in 2003, becoming Mountain America Federal Credit Union.

[6] Mountain America has more than 100 branches, spanning Utah, Idaho, Montana, Nevada, Arizona and New Mexico.

In 2023, Arizona State University's Sun Devil Stadium was renamed Mountain America Stadium, following a naming rights deal between the school and MACU.

MACU’s naming rights agreement built on its existing support of the school, including owning naming rights to the community ice-plex connected to ASU’s Mullett Arena hockey facility.