Alltru Credit Union (formerly 1st Financial Federal Credit Union) is a federally chartered, member-owned credit union headquartered in Wentzville, Missouri, serving the St. Louis metropolitan area. Established in 1968, it operates as a Community Development Financial Institution (CDFI) with approximately 40,000 members and assets between $100 million and $500 million. The credit union provides full-service banking including checking, savings, loans, mortgages, and investment services across multiple branches in St. Louis City, St. Louis County, and St. Charles County.
