Cummins Inc. designs, manufactures, distributes, and services diesel and natural gas engines, electric and hybrid powertrains, and related components worldwide. It operates through five segments: Engine, Distribution, Components, Power Systems, and Accelera. The company offers diesel and natural gas-powered engines under the Cummins and other customer brands for the heavy and medium-duty truck, bus, recreational vehicle, light-duty automotive, construction, mining, marine, rail, oil and gas, defense, and agricultural markets; and offers parts and services, as well as remanufactured parts and engines. It provides power generation systems, horsepower engines, heavy and medium duty engines, application engineering services, custom-designed assemblies, retail and wholesale aftermarket parts, and in-shop and field-based repair services. In addition, the company offers emission solutions; turbochargers; air and fuel filters, fuel water separators, lube and hydraulic filters, coolants, fuel additives, and other filtration systems; and electronic control modules, sensors, and supporting software, as well as new, replacement, and remanufactured fuel systems. Further, it provides automated transmissions; standby and prime power generators, controls, paralleling systems, and transfer switches, as well as A/C generator/alternator products under the Stamford and AVK brands; and electrified power systems with components and subsystems, including battery, fuel cell, and hydrogen production technologies. Additionally, it offers filtration, aftertreatment, controls systems, air handling systems, and electric power generation systems, and batteries. It sells its products to original equipment manufacturers, distributors, dealers, and other customers. The company was formerly known as Cummins Engine Company and changed its name to Cummins Inc. in 2001. Cummins Inc. was founded in 1919 and is headquartered in Columbus, Indiana.

BorgWarner Inc., together with its subsidiaries, provides solutions for combustion, hybrid, and electric vehicles worldwide. It offers turbochargers, eBoosters, eTurbos, timing systems, emissions systems, thermal systems, gasoline ignition technology, smart remote actuators, powertrain sensors, cabin heaters, battery modules and systems, battery heaters, and battery charging. The company provides power electronics, control modules, software, friction, and mechanical products for automatic transmissions and torque-management products. It sells its products to original equipment manufacturers of light vehicles, which comprise passenger cars, sport-utility vehicles, vans, and light trucks; commercial vehicles, including medium-duty and heavy-duty trucks, and buses; and off-highway vehicles, such as agricultural and construction machinery, and marine applications, as well as to tier one vehicle systems suppliers and the aftermarket for light, commercial, and off-highway vehicles. The company was formerly known as Borg-Warner Automotive, Inc. BorgWarner Inc. was incorporated in 1987 and is headquartered in Auburn Hills, Michigan.

Dana Incorporated, together with its subsidiaries, provides power-conveyance and energy-management solutions for vehicles and machinery in North America, Europe, South America, and the Asia Pacific. The company operates through four segments: Light Vehicle Drive Systems, Commercial Vehicle Drive and Motion Systems, Off-Highway Drive and Motion Systems, and Power Technologies. It offers drive systems, including axles, driveshafts, transmission, and wheel and track drives; motion systems, such as winches, slew drives, and hub drives; and electrodynamic technologies comprised of motors, inverters, software and control systems, battery-management systems, and fuel cell plates. The company also provides sealing solutions, such as gaskets, seals, cam covers, and oil pan modules; thermal-management technologies, including transmission and engine oil cooling, battery and electronics cooling, charge air cooling, and thermal-acoustical protective shielding; and digital solutions that include active and passive system controls, as well as descriptive and predictive analytics. It serves vehicle manufacturers in the global light vehicle, medium/heavy vehicle, and off-highway markets, as well as the stationary industrial market. The company was formerly known as Dana Holding Corporation and changed its name to Dana Incorporated in August 2016. Dana Incorporated was founded in 1904 and is headquartered in Maumee, Ohio.

American Axle & Manufacturing Holdings, Inc., together with its subsidiaries, designs, engineers, and manufactures driveline and metal forming technologies that supports electric, hybrid, and internal combustion vehicles. It operates through two segments, Driveline and Metal Forming segments. The Driveline segment offers front and rear axles, driveshafts, differential assemblies, clutch modules, balance shaft systems, disconnecting driveline technology, and electric and hybrid driveline products and systems for light trucks, sport utility vehicles, crossover vehicles, passenger cars, and commercial vehicles. The Metal Forming segment provides range of products, such as engine, transmission, driveline, and safety-critical components for traditional internal combustion engine and electric vehicle architectures, including light vehicles, commercial vehicles, and off-highway vehicles, as well as products for industrial markets. It operates in North America, Asia, Europe, and South America. American Axle & Manufacturing Holdings, Inc. was founded in 1994 and is headquartered in Detroit, Michigan.

Allient Inc., together with its subsidiaries, designs, manufactures, and sells precision and specialty controlled motion components and systems for various industries in the United States, Canada, South America, Europe, and Asia-Pacific. It offers brush and brushless DC motors, brushless servo and torque motors, coreless DC motors, integrated brushless motor-drives, gearmotors, gearing, modular digital servo drives, motion controllers, optical encoders, active and passive filters, input/output modules, industrial communications gateways, light-weighting technologies, and other controlled motion-related products, as well as nano precision positioning systems, servo control systems, and digital servo amplifiers and drives. The company sells its products to end customers and original equipment manufacturers in vehicle, medical, aerospace and defense, and industrial markets through direct sales force, authorized manufacturers' representatives, and distributors. The company was formerly known as Allied Motion Technologies Inc. and changed its name to Allient Inc. in August 2023. Allient Inc. was incorporated in 1962 and is headquartered in Amherst, New York.

Motorcar Parts of America, Inc. manufactures, remanufactures, and distributes heavy-duty truck, industrial, marine, and agricultural application replacement parts in the United States. The company offers rotating electrical products, including alternators and starters; wheel hub assemblies and bearings; and brake-related products comprising brake calipers, brake boosters, brake rotors, brake pads, and brake master cylinders. It also offers turbochargers; test solutions and diagnostic equipment for the pre- and post-production of electric vehicles; combustion engine vehicles; and software emulation of power systems applications for the electrification of forms of transportation. In addition, it offers heavy duty parts, including non-discretionary automotive aftermarket replacement hard parts for heavy-duty truck, industrial, marine, and agricultural applications. It sells its products to automotive retail chain stores and warehouse distributors, as well as various automobile manufacturers for their aftermarket programs and warranty replacement programs in North America. The company was incorporated in 1968 and is based in Torrance, California.

Twin Disc, Incorporated engages in the design, manufacture, and sale of marine and heavy duty off-highway power transmission equipment in the United States, the Netherlands, China, Australia, Italy, and internationally. The company operates in two segments, Manufacturing and Distribution. Its principal products include marine transmissions, azimuth drives, surface drives, propellers, and boat management systems, as well as power-shift transmissions, hydraulic torque converters, power take-offs, industrial clutches, and controls systems. The company also provides third-party manufactured products. It sells its products through a direct sales force and distributor network to customers primarily in the pleasure craft, commercial marine, patrol, and military marine markets, as well as in the energy and natural resources, government, agriculture, recycling, construction, oil and gas, and industrial markets. The company was incorporated in 1918 and is headquartered in Milwaukee, Wisconsin.

Commercial Vehicle Group, Inc., together with its subsidiaries, designs, manufactures, assembles, and sells systems, assemblies, and components to commercial and electric vehicle, and industrial automation markets in North America, Europe, and the Asia-Pacific regions. The company operates in four segments: Vehicle Solutions, Electrical Systems, Aftermarket & Accessories, and Industrial Automation. It offers vehicle seats and seating systems, such as static, mechanical, and air suspension seats, as well as office seating products under KAB Seating, National Seating, Bostrom Seating, and Stratos brands. The company also provides thermoformed, injection molded, reaction injection molded, and decorated/hydrographic finished products; vinyl or cloth-covered appliqués; instrument panels; plastics decorating and finishing products; cab structures; and cab interiors, including armrests, grab handles, storage systems, floor coverings and mats, sleeper bunks, headliners, wall panels, and privacy curtains under the AdvancTEK brand. In addition, it offers high and low voltage electrical wire harness assemblies function as the primary electric current carrying devices used in providing electrical interconnections for gauges, lights, control functions, power circuits, powertrain and transmission sensors, emissions systems, and other electronic applications on commercial and other vehicles; and panel assemblies. Further, the company provides mirrors, wipers, and wiper systems under Bostrom, Moto Mirror, Sprague Devices, and RoadWatch brands; integrated and electro-mechanical assemblies, and cabinets. It offers its products and systems for the truck, power sports, bus, construction, mining, automotive, agricultural, mining, rail, marine, power generation, e-commerce, warehouse integration, transportation, military/defense, industrial, municipal, off-road recreational, and specialty vehicle markets. The company was incorporated in 2000 and is headquartered in New Albany, Ohio.