The Historical Society of Michigan, with EIN 38-1452689, is dedicated to promoting the history of Michigan through historic preservation efforts. With an operating budget of $2.1 million and total revenue of $2.4 million for the 2025 filing year, the organization benefits from significant funding sources, although specific funders are not disclosed. The Society operates primarily within Michigan and does not rely on any single funder for 50% or more of its revenue, ensuring a diversified financial base. For more information, visit hsmichigan.org.