Aux is a CUSO (Credit Union Service Organization) located in Lakewood, Colorado, near Denver. Our company has been around since 1992, originally founded to assist credit unions with shared branching and service centers. Although we have evolved over the past two decades into something much more complex and diverse, one thing remains the same: our core reason for existence. We are here to help the people “who help the people,” as the old credit union saying goes – to help credit unions help their members.