EV Manufacturing Companies in Illinois

Illinois has approximately 13,000 manufacturing establishments and 570,000 manufacturing employees. Illinois is a top-five manufacturing state, with Chicago as a metal fabrication and food processing center, Peoria as Caterpillar's headquarters, and a vast network of industrial suppliers.

Illinois contributes to the national ev manufacturing landscape. Electric vehicle manufacturing is one of the fastest-growing segments of US manufacturing, encompassing battery cell and pack production, electric motor and inverter manufacturing, EV-specific chassis and body production, and final vehicle assembly. Both legacy automakers and new entrants like Rivian, Lucid, and numerous Chinese and European companies are investing in US EV production.

EV Vehicle Assembly: Companies like Tesla, Rivian, and Lucid operating dedicated EV assembly plants, plus legacy OEM EV lines.

Battery Cell Manufacturers: Gigafactory operators producing lithium-ion battery cells, including LG, Samsung SDI, Panasonic, and CATL joint ventures.

Battery Pack Assemblers: Companies assembling battery modules and packs from cells, including thermal management and BMS integration.

Electric Motor Manufacturers: Producers of permanent magnet and induction motors for EV propulsion systems.

EV Component Suppliers: Manufacturers of inverters, on-board chargers, DC-DC converters, and high-voltage wiring harnesses.

Major industrial centers in Illinois include Chicago, Rockford, Peoria, Aurora, Joliet, and Elgin. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and chemical manufacturing.