Orion Assembly
| Orion Assembly | |
|---|---|
| Operated | 1983–present |
| Location | Orion Township, Michigan |
| Coordinates | 42°43′02″N 83°15′43″W / 42.7172°N 83.262°W |
| Industry | Automotive |
| Products | Automobiles |
| Employees | 1,228 (2022) |
| Area | 433 acres (1.75 km2) |
| Volume | 4,300,000 sq ft (400,000 m2) |
| Address | 4555 Giddings Road |
| Owner(s) | General Motors |
| Website | gm |
Orion Assembly is an automotive assembly plant in Orion Township, Michigan, United States, owned and operated by General Motors. From late 2025, the plant is slated to assemble the Chevrolet Silverado EV and GMC Sierra EV battery electric pickup trucks for the U.S. market. Opened in 1983, Orion Assembly assumed operations of Buick City in Flint, and Pontiac Assembly. The 4,300,000 sq ft (400,000 m2) plant had approximately 1,032 salaried and hourly employees as of September 2019.