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Assembly in Kokomo, Indiana
Kokomo, Indiana—the self-proclaimed City of Firsts—has a distinguished automotive manufacturing heritage including pioneering the first pneumatic rubber tire, the first American auto-powered vehicle, and the first push-button car radio. Today Kokomo's manufacturing sector is a major Chrysler/Stellantis transmission and powertrain assembly hub and an emerging electric vehicle battery manufacturing center. ManufacturingBase connects buyers with assembly suppliers throughout Kokomo and Howard County.
Stellantis Powertrain and EV Transition
City of Firsts Manufacturing Heritage
Kokomo's "City of Firsts" designation reflects genuine innovation—elmore Apperson and Haynes' 1894 gasoline car, the 1894 pneumatic rubber tire (D.C. Spraker), and Ryan's 1928 push-button radio all originated here. This heritage of invention and manufacturing innovation continues to shape the city's approach to advanced manufacturing challenges. The transition from internal combustion engine powertrain to EV battery manufacturing is the latest in Kokomo's history of manufacturing adaptations—and local industry, government, and educational institutions are actively preparing for this transition.
Powertrain Discipline for Contract Programs
Kokomo's assembly culture has been shaped by powertrain work, where small defects can become expensive field failures and where repeatability matters over long production runs. Transmission and driveline programs require tight control of component cleanliness, torque, alignment, traceability, and end-of-line verification. Those habits are directly relevant for buyers sourcing mechanical assemblies outside the traditional automotive powertrain market. A contract assembly program in Kokomo can benefit from workers and manufacturing engineers who understand sequenced operations, error-proofing, gauging, and disciplined change control. That is valuable for pumps, gearboxes, actuators, electric drive subcomponents, industrial machinery modules, and other products where mechanical fit and functional performance must be verified before shipment. The city is especially credible for buyers who need automotive-grade process thinking without necessarily buying an automotive part. The same operating mindset that supports transmissions can support commercial and industrial products that require controlled fastening, pressed components, lubricated mechanisms, rotating parts, or functional checks. Kokomo's value is the translation of powertrain discipline into broader electromechanical and precision mechanical assembly.
Battery-Era Supplier Readiness
The EV battery investment coming to the Kokomo area changes what local assembly suppliers need to be ready for. Battery-related programs introduce different handling requirements, different cleanliness expectations, new safety training, and closer integration between mechanical assembly, electronics, thermal management, and quality documentation. The region's existing automotive discipline gives Kokomo a strong base for that transition, but the work is not simply a continuation of legacy powertrain assembly. Battery module and pack-adjacent supply chains can create demand for bus bar assemblies, cooling plates, structural trays, electrical interconnects, insulation components, sensor assemblies, brackets, covers, and service tooling. Many of those products require tight coordination between stamped metal, formed plastic, coatings, electrical components, and final inspection. Kokomo-area suppliers that can combine mechanical process control with electrical awareness will be better positioned for this next phase. For buyers, the important sourcing question is whether a supplier is prepared for the safety and documentation expectations of EV work, not merely whether it has automotive experience. Kokomo's advantage is a workforce and supplier base already accustomed to demanding OEM programs, now being pulled toward battery systems, electrified powertrain, and advanced manufacturing investment in Howard County.
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Last updated: July 2026
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