GM in the U.S.

Yuma Desert Proving Ground

1500 E GM Dr
Yuma, AZ 85365

Desert Proving Ground supports vehicle engineering, development and validation.

Year Opened: 2009

Facility Type: Proving Grounds

Advanced Design and Innovation Campus

600 Sierra Madre Villa Ave
Pasadena, CA 91107

In Pasadena, design teams focus on exploring future transportation, technology, and consumer trends.

Year Opened: 2024

Facility Type: Non-Manufacturing Work Hubs

Mountain View Tech Center

1330 Tera Bella Avenue
Mountain View, CA 94043

Opened in 2024, Mountain View is GM's Silicon Valley hub for research and innovation, with a focus on software development, engineering, and design.

Year Opened: 2024

Facility Type: Non-Manufacturing Work Hubs

Rancho Cucamongo Parts Distribution Center

9150 Hermosa Ave
Rancho Cucamonga, CA 91730

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2002

Union: UAW Local 6645

Facility Type: Customer Care & Aftersales

Denver Parts Distributiuon

23400 E. Smith Road
Aurora, CO 80019

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2003

Union: UAW Local 431

Facility Type: Customer Care & Aftersales

Georgia IT Innovation Cneter

1035 Sun Valley Dr
Roswell, GA 30076

The Georgia IT Innovation Center works on web technologies, end-user applications, dealer and factory systems, and vehicle technology.

Facility Type: Non-Manufacturing Work Hubs

Chicago Parts Distribution

1355 Remington Blvd
Bolingbrook, IL 60490

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2001

Union: UAW Local 2114

Facility Type: Customer Care & Aftersales

Bedford Casting Operations

105 GM Drive
Bedford, IN 47421

Bedford Casting Operations provides aluminum die casting of cylinder blocks, transmission cases, structural components, and EV drive unit housings.

Year Opened: 1942

Union: UAW Local 440 and IBEW Local 16

Facility Type: Propulsion

Fort Wayne Assembly

12200 Lafayette Center Rd
Roanoke, IN 46783

Fort Wayne Assembly builds light-duty Chevy Silverado and GMC Sierra pickup trucks.

Year Opened: 1986

Union: UAW Local 2209

Facility Type: Vehicle Assembly

Products: Chevrolet Silverado 1500, GMC Sierra 1500

Kokomo Operations

2603 South Goyer Rd
Kokomo, IN 46902

In Kokomo, GM produces automotive electronic components.

Year Opened: 1936

Union: UAW Local 292

Facility Type: Components Holding Facilities

Products: Engine Control Modules, Body Control Modules, Transmission Control Modules, Airbag Sensing Diagnostic Modules

Marion Metal Center

2400 W Second St
Marion, IN 46952

Founded in 1956 as Fisher Body, Marion Metal Center produces sheet metal stamped parts and blanks for GM plants in North America, supporting multiple GM vehicle platforms.

Year Opened: 1956

Union: UAW Local 977

Facility Type: Metal Center

Fairfax Assembly & Stamping

3201 Fairfax Trafficway
Kansas City, KS 66115

Fairfax Assembly and Stamping, which has been operating in the Kansas City area since 1947, is gearing up for production of the next generation Chevrolet Bolt.

Year Opened: 1987

Union: UAW Local 31

Facility Type: Vehicle Assembly

Products: Chevrolet Bolt EV (starting November 2025)

Bowling Green Assembly

600 Corvette Drive
Bowling Green, KY 42101

For nearly 45 years, Bowling Green Assembly has been building the Chevrolet Corvette, including the Stingray, Z06, E-Ray, and ZR1. The facility includes the Performance Build Center, where low-volume, high-performance engines are handcrafted.

Year Opened: 1981

Union: UAW Local 2164

Facility Type: Vehicle Assembly

Products: Corvette Stingray, Corvette Z06, Corvette E-Ray, Corvette ZR1

Bay City GPS

1001 Woodside Ave
Bay City, MI

Bay City builds engine components used in Chevrolet, Cadillac, GMC, and Buick  vehicles, including connecting rods, solid camshafts and sliding camshafts. The plant originally opened in 1892 as National Cycle Manufacturing Co., and was acquired by GM in 1918.

Year Opened: 1918

Union: UAW Local 362

Facility Type: Propulsion

Brownstown Battery

20001 Brownstown Center Dr
Brownstown Charter Twp, MI 48183

Brownstown Battery Assembly Plant manufactures electric drive units and battery packs for the Chevrolet Corvette E-Ray, and battery packs for the Cadillac CELESTIQ.

Year Opened: 2009

Union: UAW Local 174

Facility Type: Battery Manufacturing

Products: Electric drive units and battery packs for the Chevrolet Corvette E-Ray; Battery packs for the Cadillac CELESTIQ; Prototyping

Davison Road Processing Center

4420 Davison Road
Burton, MI 48509

Processing and Redistribution centers provide auto service parts for a variety of GM vehicles to Parts Distribution Centers, GM dealers, and ACDelco customers.

Year Opened: 2019

Union: UAW Local 651

Facility Type: Customer Care & Aftersales

Detroit Renaissance Center Global HQ

300 Renaissance Center
Detroit, MI 48243

A complex of 7 skyscrapers in downtown Detroit, the Renaissance Center was purchased by GM in 1996, and has served as GM's official headquarters. GM will relocate its headquarters to the new Hudson's Detroit office project  in 2025.

Year Opened: 1976; 1996 (GM purchased)

Facility Type: Non-Manufacturing Work Hubs

Durant-Dort Factory One

303 W Water St
Flint, MI 48503

The birthplace of General Motors, Durant-Dort Factory One is an automotive archive, research center and event space.

Facility Type: Non-Manufacturing Work Hubs

Factory ZERO Detroit-Hamtramck Assembly Center

2500 East Grand Blvd
Detroit, MI 48211

Factory ZERO, formerly known as Detroit-Hamtramck Assembly, is GM's first fully dedicated electric vehicle assembly plant. The facility produces a variety of electric trucks and SUVs. 

Year Opened: 1985

Union: UAW Local 22

Facility Type: Vehicle Assembly

Products: GMC HUMMER EV Pickup and SUV; Chevrolet Silverado EV; GMC Sierra EV; Cadillac Escalade IQ 

Flint Assembly

3100 Van Slyke Rd
Flint, MI 48507

Flint Assembly, GM’s longest-running North American assembly plant, is home to the heavy-duty GMC Sierra and Chevrolet Silverado. Not only was it the birthplace of the Corvette, but it has also built myriad models under the Chevrolet nameplate, including the Chevelle, Monte Carlo, Suburban and others.

Year Opened: 1947

Union: UAW Local 598

Facility Type: Vehicle Assembly

Products: Chevrolet Silverado HD; GMC Sierra HD and Sierra HD Denali; HD ZR2, HD ZR2 Bison, HD Trail Boss; HD AT4X and HD AT4X AEV

Flint Engine Operations

2100 Bristol Rd
Flint, MI 48552

Flint Engine performs gas and diesel engine assembly and machining operations.

Year Opened: 2002

Union: UAW Local 659

Facility Type: Propulsion

Products: 3.0L Turbo Diesel - Chevrolet Silverado LD and Tahoe; GMC Sierra LD and Yukon

Flint Metal Center

G-2238 Bristol Road
Flint, MI 48550

Opened in 1954, Flint Metal Center produces sheet metal stampings for GM’s heavy duty and light duty trucks, full size SUVs, and crossovers.

Year Opened: 1954

Union: UAW Local 659

Facility Type: Metal Center

Products: Heavy-Duty Chevrolet Silverado and Heavy-Duty GMC Sierra Trucks

Light-Duty trucks, full-size SUVs, and crossovers.

Flint North American Engineering Tooling Center

425 Stevenson St.
Flint, MI 48504

The Flint tooling center engineers and builds tools and dies for the fabrication and assembly of sheet metal body parts.

Year Opened: 1967

Union: UAW Local 659, IAM-PMD 2848 - International Association of Machinists (Patternmakers)

Facility Type: Tooling Center

Flint Processing Center

6060 West Bristrol Rd
Swartz Creek, MI 48554

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 1958

Union: UAW Local 659

Facility Type: Customer Care & Aftersales

Global Technical Center

GM Tech Center Rd
Warren, MI 48092

Opened in 1956, the GM Technical Center in Warren outside Detroit is a 710-acre campus with more than 21,000 employees, with groups focused on engineering, design, and advanced technology, among other functions. The site is  recognized as a National Historic Landmark. The campus was designed by the architect Eero Saarinen, who also designed the Gateway Arch in St. Louis, among other projects.

Year Opened: 1956

Facility Type: Non-Manufacturing Work Hubs

Grand Rapids Operations

2100 Burlingame, SW
Wyoming, MI 49509

Grand Rapids builds precision machined automotive components as well as axles for full-size trucks.

Year Opened: 1943

Union: UAW Local 167

Facility Type: Components Holding Facilities

Products: Axles (full-size truck programs), Lash Adjusters; Roller Hydraulic Valve Lifters, Cylinder Deactivation Lifters, Continuously Variable Cam Phasers

Lansing Delta Township Assembly & Lansing Regional Stamping

8175 Millet Hwy
Lansing, MI 48971

Opened in 2006, Lansing Delta Township builds the GMC Acadia, Buicl Enclave, and Chevrolet Traverse. An onsite stamping plant supplies multiple GM facilities and brands.

Year Opened: Assembly - 2006; Stamping - 2004

Union: Assembly - UAW Local 602 / Stamping - UAW Local 652

Facility Type: Vehicle Assembly, Metal Center

Products: Buick Enclave, Chevrolet Traverse, GMC Acadia

Lansing Grand River Assembly & Stamping

920 Townsend St
Lansing, MI 48933

Lansing Grand River builds the Cadillac CT4 and CT5 sedans. The complex also includes an onsite stamping plant, which supplies multiple GM facilities and brands..

Year Opened: Assembly - 2001; Stamping - 2016

Union: UAW Local 652

Facility Type: Vehicle Assembly, Metal Center

Products: Cadillac CT4 and CT5

Lansing Redistribution Center

4400 West Mount Hope Rd
Lansing, MI 48917

Processing and Redistribution centers provide auto service parts for a variety of GM vehicles to Parts Distribution Centers, GM dealers, and ACDelco customers.

Year Opened: 1960

Union: UAW Local 1753

Facility Type: Customer Care & Aftersales

Milford Proving Ground

3300 General Motors Rd
Milford, MI 48380

Milford Proving Ground opened in 1924 as the auto industry’s first facility dedicated to automobile testing. The grounds, located in Southeast Michigan, consist of about 4000 acres of land and the equivalent of 140 miles of roads and other surfaces used for testing.

Year Opened: 1924

Union: UAW Local 653

Facility Type: Proving Grounds

Orion Assembly

4555 Giddings Road
Lake Orion, MI 48359

Orion Assembly was retooled to build EVs in 2020. It is being transitioned to produce the Chevrolet Silverado EV and GMC Sierra Denali EV.

Year Opened: 1983

Union: UAW Local 5960

Facility Type: Vehicle Assembly

Products: GMC Sierra Denali EV, Chevrolet Silverado EV

Pontiac Engineering Center

800 North Glenwood Ave
Pontiac, MI 48340

Pontiac Engineering Center is a hub for propulsion testing, validation, and pre-production operations for fuel cells, electrification, engines, and transmissions. The site's Performance and Racing Center designs, builds, and tests race engines. 

Year Opened: 1950

Facility Type: Non-Manufacturing Work Hubs

Pontiac Metal Center

260 E. Beverly
Pontiac, MI 48340

Pontiac Metal provides sheet metal stamping, highly flexible fabrication machinery, and service parts for a variety of GM vehicles. 

Year Opened: 1926

Union: UAW Local 653

Facility Type: Metal Center

Products: Silverado HD; GMC Sierra HD and HUMMER EV Truck and HUMMER EV SUV

Pontiac Redistribution Center

1251 Joslyn Road
Pontiac, MI 48340

Processing and Redistribution centers provide auto service parts for a variety of GM vehicles to Parts Distribution Centers, GM dealers, and ACDelco customers.

Year Opened: 1966

Union: UAW Local 653

Facility Type: Customer Care & Aftersales

Romulus Propulsion Systems

36880 Ecorse Road
Romulus, MI 48174

Romulus Propulsion Systems makes V6 engines and 10-speed transmissions.

Year Opened: 1976

Union: UAW Local 163

Facility Type: Propulsion

Products: HFV6 Engine: Chevrolet Blazer, Cadillac XT5 and XT6, Cadillac CT5/CT5-V

10-Speed Transmission: Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, Chevrolet Silverado and Sierra, Cadillac CT5

Saginaw Metal Casting Operations (SMCO)

1629 N. Washington Ave
Saginaw, MI 48601

Saginaw Metal Casting Operations builds engine blocks, cylinder heads and axle assemblies, using two aluminum casting processes: precision sand and semi-permanent mold. The plant also performs pre-machining and final machining operations.

Year Opened: 1919

Union: UAW Local 668, IAM Lodge 2839

Facility Type: Propulsion

Products: 3.6 liter High Feature V-6 aluminum engine blocks and cylinder heads - Chevrolet Blazer and Colorado, Cadillac XT6 and XT5 and the GMC Acadia and Canyon

Front 4wd axle assembly castings - light-duty Chevrolet Silverado and GMC Sierra.

Willow Run Redistribution Center #58

50000 Ecorse Rd
Belleville, MI 48111

Processing and Redistribution centers provide auto service parts for a variety of GM vehicles to Parts Distribution Centers, GM dealers, and ACDelco customers.

Year Opened: 1971

Union: UAW Local 174

Facility Type: Customer Care & Aftersales

Ypsilanti #87 Processing Center

2625 Tyler Rd
Ypsilanti, MI 48198

Processing and Redistribution centers provide auto service parts for a variety of GM vehicles to Parts Distribution Centers, GM dealers, and ACDelco customers.

Year Opened: 2008

Union: UAW Local 174

Facility Type: Customer Care & Aftersales

Jackson Parts Distribution Center

1500 Marquette Rd
Brandon, MS 39042

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 1999

Union: UAW Local 2402

Facility Type: Customer Care & Aftersales

Wentzville Assembly

1500 E Rte A
Wentzville, MO 63385

Wentzville Assembly builds the Chevrolet Colorado and GMC Canyon mid-size trucks and Chevrolet Express and GMC Sanvana full-size vans.

Year Opened: 1983

Union: UAW Local 2250

Facility Type: Vehicle Assembly

Products: Chevrolet Colorado and Express; GMC Canyon and Savana

Reno Parts Distribution Center

6565 Echo Ave
Reno, NV 89506

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2003

Union: UAW Local 2162

Facility Type: Customer Care & Aftersales

Lockport Operations

200 Upper Mountain Road
Lockport, NY 14094

Lockport Operations produces radiators, condensers, oil coolers, HVAC modules, evaporators, and other parts. The facility was founded in 1910 as Harrison Radiator Co., and acquried by GM in 1918.

Year Opened: 1939

Union: UAW Local 686 and 55

Facility Type: Components Holding Facilities

Rochester Operations

1000 Lexington Avenue
Rochester, NY 14606

Rochester Operations produces integrated air modules, fuel rails, lifter oil manifold assemblies, and fuel injectors for gas-powered cars, as well as electric vehicle battery cooling lines. The site was founded in 1908 as Rochester Coil Co., and joined GM in 1939.

Year Opened: 1939

Union: UAW Local 1097, IUOE 158

Facility Type: Components Holding Facilities

Tonawanda Propulsion

2995 River Rd
Buffalo, NY 14207

Tonawanda builds engines for GM trucks and SUVs as well as the Chevrolet Corvette. Opened in 1938, the site originally produced 6-cylinder engines and axles for Chevrolet vehicles. During World War II, Tonawanda built 14- and 18-cylinder aircraft engines.

Year Opened: 1938

Union: UAW Local 774

Facility Type: Propulsion

Charlotte Parts Distribution Center

10815 Quality Drive
Charlotte, NC 28278

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 1999

Union: UAW Local 2404

Facility Type: Customer Care & Aftersales

Charlotte Technical Center

7605 GM One Team Dr NW
Concord, NC 28027

Focused on motorsports, Charlotte Technical Center works with the Chevrolet and Cadillac racing teams. 

Year Opened: 2022

Facility Type: Non-Manufacturing Work Hubs

Cincinnati Parts Distribution

8752 Jacquemin Drive
West Chester, OH 45069

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2000

Union: UAW Local 674

Facility Type: Customer Care & Aftersales

Defiance Operations

26427 State Route 281
Defiance, OH 43512

GM Defiance is an aluminum foundry and machine center, which produces multiple cylinder blocks and cylinder head castings for GM engines. 

Year Opened: 1948

Union: UAW Local 211

Facility Type: Propulsion

DMAX

3100 Dryden Rd
Moraine, OH 45439

DMAX produces diesel engines for heavy-duty Chevrolet Silverado and heavy-duty GMC Sierra pickups. DMAX products also support military, marine, and medium-duty work truck applications. 

Year Opened: 1999

Union: IUE Local 755

Facility Type: Propulsion

Products: Chevrolet Silverado HD, GMC Sierra HD

Parma Metal Center

5400 Chevrolet Blvd
Parma, OH 44130

Opened in 1948, Parma is a metal stamping and assembly facility capable of producing over 100 million parts per year. The plant produces sheet metal stampings and assemblies, supporting multiple GM vehicle platforms.

Year Opened: 1948

Union: UAW Local 1005

Facility Type: Metal Center

Toledo Propulsion Systems

1455 West Alexis Road
Toledo, OH 43612

Toledo Propulsion Systems manufactures transmissions and drive units for a variety of GM vehicles. The site was the first GM U.S. propulsion manufacturing facility to be transformed for EV related production.

Year Opened: 1916 (purchased by GM in 1956)

Union: UAW Local 14

Facility Type: Propulsion

Products: Chevrolet Silverado EV, GMC HUMMER EVs, GMC Sierra EV

Philadelphia Parts Distribution Center

200 Cabot Boulecard E
Lang Horne, PA 19030

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2001

Union: UAW Local 2177

Facility Type: Customer Care & Aftersales

Memphis ACDelco Parts Distribution Center

5115 Pleasant Hills Road
Memphis, TN 38118

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customer

Year Opened: 1999

Union: UAW Local 2406

Facility Type: Customer Care & Aftersales

Spring Hills Manufacturing

100 Saturn Parkway
Spring Hill, TN 37174

Spring Hill builds both internal combustion and electric vehicles on one assembly line. The campus, which also includes stamping, global propulsion and battery assembly, sits on 2,100 acres, incuding  700 acres dedicated to farming, and 100 acres of wildlife habitat.

Year Opened: 1990

Union: UAW Local 1853

Facility Type: Vehicle Assembly; Propulsion

Products: Cadillac XT5, XT6, LYRIQ and VISTIQ

Arlington Assembly

2625 E Abram
Arlington, TX 76010

Arlington Assembly builds the Cadillac Escalade, GMC Yukon, Chevrolet Suburban, and the Chevy Tahoe. The site has been building GM vehicles for more than 70 years.

Year Opened: 1954

Union: UAW Local 276

Facility Type: Vehicle Assembly

Products: Chevrolet Tahoe, Suburban; GMC Yukon and Yukon XL; Cadillac Escalade and Escalade-V

Austin Innovation Center

13201 McCallen Pass
Austin, TX 78753

Austin Innovation is a hub for software and digital product development, as well as data analysis and research. Austin also supports GM's technology infrastructure, integrating digital tools into core business operations and support.

Year Opened: 2012

Facility Type: Non-Manufacturing Work Hubs

Fort Worth Parts Distribution Center

301 Freedom Drive
Roanoke, TX 76262

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2001

Union: UAW Local 816

Facility Type: Customer Care & Aftersales

Martinsburg Parts Distribution Center

608 Caperton Boulevard
Martinsburg, WV 25401

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2001

Union: UAW Local 1590

Facility Type: Customer Care & Aftersales

Hudson Parts Distribution Center

2200 Wills Miller Dr
Hudson, WI 54016

Parts Distribution Centers provide auto service parts for a variety of GM vehicles, fulfilling orders for GM dealers and ACDelco customers.

Year Opened: 2004

Union: UAW Local 722

Facility Type: Customer Care & Aftersales