INFINITY Federal Credit Union is the oldest credit union in Maine. We have been serving our members since 1921. INFINITY is a non-profit organization owned by over 20,000 members representing more than 600 companies, referred to as Select Employment Groups.We are a full-service credit union, serving our members since 1921. We are proud to offer a wide array of quality financial services, including Online Home Banking, online loan applications, and access to a number of available resources.