Durant-Dort Carriage Company Office
The Durant-Dort Carriage Company Office is a National Historic Landmark owned by General Motors. A late 19th-century office building located at 316 West Water Street in Flint, Michigan, it was built and occupied by GM's parent, Durant-Dort, followed by Dort Motor Car Company, until 1924.
Source: Wikipedia — Durant-Dort Carriage Company Office (CC BY-SA 4.0)