The Grant County Historical Society is a member of the Lancaster Chamber of Commerce and the Platteville Regional Chamber.
Grant funding provided by:
- Platteville Community Fund Laura Rountree – tree project ($1700), Completed May 1, 2023.
- Lancaster Community Fund Charles “Sonny” Tiedemann Charitable Fund – Grant County Historical Society technology upgrade ($10,000), Completed April 1, 2023.
- Lancaster Community Fund Gillian Family Fund – Nelson Dewey & Veteran Memorial – lighting on courthouse square and Flag & flagpole replacement ($9,320), Completed September 29, 2023.