We are a Tier 1 supplier to most manufacturers of diesel, gasoline, fuel cell, and natural gas vehicles. IHI America serves a wide range of industries including Agriculture, Industrial, Marine, Commercial Vehicle, Military, Passenger Vehicle, and Specialty / Recreational Vehicle. We are one of the world's largest turbocharger manufacturers as well as the only company in the world that mass-produces screw superchargers. Contact Us below if you are looking for a Tier 1 partner or visit our Aftermarket section if you need to find IHI turbocharger or supercharger replacement and performance products.