Volkswagen Group: A leading German auto manufacturer, offering vehicles, engines, and related services globally.

EnPro Inc: A global provider of engineered industrial products, including sealing systems, engines, and tooling.

Cummins Inc. designs, manufactures, and services engines, filtration, and power generation products.

WaveTech®: A patented engine concept optimizing gas cycles for unprecedented fuel efficiency.

ICRTec, a New Hampshire-based energy company, innovates fuel-efficient, low-emission alternatives to traditional diesel power.

PicoSpray develops affordable, innovative EFI technology for small engines, reducing emissions and costs.

Achates Power: Innovating in combustion engine development, clean diesel, and 2-stroke technology.

Volvo Trucks North America designs, manufactures, and sells new/used trucks, tractors, engines, and accessories.

LiquidPiston is a Bloomfield, Connecticut company developing rotary combustion engines and hybrid power systems for defense and industrial applications.

VerdeGo Aero: Pioneering next-gen aircraft propulsion technologies.

Cyclone Power Technologies: Innovating scalable combustion engines for diverse applications.

Weichai America Corp, an Illinois-based consumer service company, offers diverse on/off-road power solutions.

Tour Engine, an automotive parts manufacturer, innovates green internal combustion engines.

Diversified energy company in Xuanzhou, China, producing OPOC engines.

Power Solutions International: Manufacturing alternative fuel engines for off-highway industrial equipment.

Willis Lease Finance provides aftermarket commercial aircraft engines and related equipment leasing services.

SRC Holdings: A US-based holding company providing debt, equity financing, and diverse engine solutions.

EcoMotors, Inc: Global developer and manufacturer of eco-friendly propulsion systems for vehicles and generators.

Revolutionizing the engine market with our patented supersonic supercharger, we offer efficient, cost-effective, and eco-friendly solutions for transportation and power generation.

Volvo Penta AB, a Volvo subsidiary, globally manufactures and markets internal combustion engines for various marine and industrial applications.

AerSale, Inc.: Global supplier of aftermarket aircraft, engines, OEM materials, MRO, and aeronautical services.

US-based Navistar International manufactures trucks, buses, engines, parts, and offers financial services.

Thomas Engine Co. designs and licenses innovative Sinedrive internal combustion engines for automotive and industrial markets.

Weichai Power, a Chinese firm, specializes in R&D, manufacturing, and global sales of automotive and hydraulic products.

Swissauto: Leading Swiss manufacturer of high-performance engines for motorcycles and hybrid vehicles.