Latvian Heritage Federal Credit Union Latvian Heritage Federal Credit Union The Latvian Heritage Federal Credit Union is a full service financial institution working to meet the needs of our Latvian Heritage community. We are located in the beautiful state of Michigan with four locations in Detroit, Grand Rapids, Kalamazoo and Three Rivers. Being a federally chartered credit union allows us to work with individuals and families not only in Michigan, but in other states as well. Become a member today and see the great services we offer. To become a member of the Latvian Heritage Federal Credit Union you must be: A person of Latvian descent, who is a member of an acknowledged Latvian religious organization, or a member of a Latvian social organization.