| Company type | Manufacturing |
|---|---|
| Industry | Gasoline engine automobiles |
| Founded | 1901 |
| Founder | John William Lambert |
| Defunct | 1905 |
| Headquarters | , |
Area served | United States |
| Products | Commercial gasoline engine automobiles |
The Union Automobile Company was an automobile factory to manufacture the Union automobile through the Buckeye Manufacturing Company. It began manufacturing automobiles in 1902 and produced them through 1905. The company was located in Union City, Indiana.