Midwest Financial Networks, LLC. DBA: Managed Financial Networks As a technology Credit Union Service Organization (CUSO), MFN CUSO is focused on superior service and support to all member credit unions through our strategic leverage of shared resources using the credit union cooperative model. We help credit unions stop feeling TECHWELMED so they can focus on taking care of their members. Originally organized in 1998 through a Joint Venture to support operations for four credit unions. MFN CUSO was later reorganized as an LLC in 2014 to support operations for multiple credit unions providing all security, infrastructure, and managed service needs.