Cummins Inc. CMI

What this company does

Cummins Inc. produces diesel, electric and hybrid powertrains, integrated power generation systems, components such as aftertreatment systems, turbochargers, fuel systems, controls, transmissions, axles and brakes, and battery and electric powertrain systems. The company serves its customers through a service network of approximately 640 wholly-owned, joint venture and independent distributor locations and more than 13,000 Cummins certified dealer locations in approximately 190 countries and territories. At December 31, 2025, it employed approximately 67,400 persons worldwide, approximately 20,000 of whom were represented by various unions under collective bargaining agreements. PACCAR is the company's largest customer, accounting for 13 percent of consolidated net sales in 2025. Cummins has five reportable segments: Engine, Components, Distribution, Power Systems and Accelera. The Engine segment manufactures and markets diesel, natural gas and gasoline-powered engines under the Cummins brand name and certain customer brand names for the heavy-duty truck, medium-duty truck and bus, light-duty automotive and off-highway markets. The Components segment designs, manufactures and supplies drivetrain and braking systems, aftertreatment systems, turbochargers, fuel systems, valvetrain technologies, automated transmissions and electronics. The business was founded in 1919 as Cummins Engine Company in Columbus, Indiana, and changed its name to Cummins Inc. in 2001.

Written from the business description in CUMMINS INC's annual report to the U.S. Securities and Exchange Commission, filed 10 February 2026. Every sentence was checked against that document before publication.