Wentzville Assembly


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1500 E Rte A
Wentzville, MO. 63385 United States

Year Opened:


Facility Size:

3.7 Million square feet

Employee Information




193 and 76 direct contracts




Three shifts + fourth flex shift

Facility Details

  • Facilities: Vehicle Assembly Plant & Contiguous Stamping Facility
  • Plant Manager: Satya Veerapaneni
  • Union Representation: UAW Local 2250

Site History: The General Motors Truck Group Wentzville facility is located 40 miles west of St. Louis, Missouri on a 569-acre site. The facility was built in 1983 on a wheat field. The current facility employs approximately 3500 employees that work over three shifts. In addition, Wentzville has a contiguous stamping facility on site that produces the majority of the body parts that are used in the production of the Chevy Express and GMC Savana full size vans and the Chevrolet Colorado and GMC Canyon mid-size trucks. The Wentzville Assembly Center is the global production site for the Full Size Van. To date, over 2.5 million Full Size Vans have been produced at Wentzville Assembly.

2015 GM Missouri Economic Impact

  • Wages: $425 Million 
  • Payroll Taxes: $16.9 Million

Recent Investments

  • GM announced the investment of $380 million in November 2011 for the launch of the new mid-size pickup at Wentzville.  Investment included funds for a new body shop along with other plant improvements to support the new trucks.
  • GM also announced the investment of $133 million in June, 2013 to add a third stamping press to the Wentzville plant.
  • In March of 2015 GM implemented a third shift and 750 new jobs at Wentzville to meet anticipated demand for new pickup trucks.   
  • During the spring and summer of 2015 an additional fourth weekend shift of several hundred employees was implemented that allows the plant to run six days a week and on overtime.
  • In late 2015 and early 2016, GM invested $82.3 million dollars at Wentzville for new materials and equipment, environmental, and facilities improvements.  

Current Products

The world’s best full-size vans, the Chevrolet Express and GMC Savana. GM’s mid-size pickup trucks, the 2015 Chevrolet Colorado and GMC Canyon.


  • Chevy Colorado was named Motor Trend Truck of the Year for 2015 and 2016.
  • GMC Canyon was Autoweek Best of the Best Truck for 2015.
  • 2015 Energy Star Challenge for Industry Award
  • 2015 Missouri Water Environment Assoc. Gold Award for Wastewater Treatment

Community Support

In 2015, GM Wentzville’s hourly and salaried employees raised more than $150,000 to support a number of community charitable organizations.   

In 2016 GM Wentzville awarded $100,000 in Plant City grants from the GM Foundation to nine community organizations. 

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