Automotive OEM Manufacturing Companies in Maine

Maine has approximately 1,600 manufacturing establishments and 52,000 manufacturing employees. Maine's manufacturing heritage includes Bath Iron Works naval shipbuilding, a robust wood products industry, and growing specialty food manufacturing.

Maine contributes to the national automotive oem manufacturing landscape. Automotive OEM manufacturing includes vehicle assembly plants and major component facilities operated by automakers and their direct suppliers. The US has over 40 light vehicle assembly plants operated by companies including GM, Ford, Stellantis, Toyota, Honda, BMW, Mercedes-Benz, Hyundai, and Tesla.

Vehicle Assembly Plants: Final assembly facilities that build complete vehicles, operated by domestic and foreign automakers across the Southern and Midwestern US.

Powertrain Plants: Dedicated facilities producing engines, transmissions, electric motors, and battery packs.

Stamping Operations: Large-scale metal stamping facilities producing body panels, structural components, and closures.

EV & Battery Manufacturers: New entrants and legacy automakers building gigafactories for battery cells, packs, and EV-specific components.

Major industrial centers in Maine include Portland, Lewiston, Bangor, and Bath. These cities have concentrations of manufacturers across sectors including shipbuilding & marine manufacturing, wood products manufacturing, and food processing manufacturing.