Janesville Assembly Plant
| Janesville Assembly Plant | |
|---|---|
Janesville Assembly Plant in 2009 | |
| Built | May 1, 1919 |
| Location | Janesville, Wisconsin |
| Industry | Automotive industry |
| Products | cars and trucks |
| Employees | 7,000 workers at its peak in 1970 |
| Area | 4,800,000 sq ft (450,000 m2) |
| Owner(s) | General Motors (1919 - 2017) |
| Defunct | April 23, 2009 |
Janesville Assembly Plant was a former automobile factory owned by General Motors located in Janesville, Wisconsin. Opened in 1919, it was the oldest operating GM plant when it was largely idled in December 2008, and ceased all remaining production on April 23, 2009. The demolition of the plant was completed in 2019.
The plant covered 4,800,000 sq ft (450,000 m2). It employed around 7,000 workers at its peak in 1970, but was down to about 1,200 when it ceased production of GM vehicles in December 2008.