Formed in 1991, Indiana Research Institute (IRI) is rapidly growing as a research and development leader in the diesel engine industry. Coupled with pioneering research and innovating problem-solving services for our clients ranging from industrial to military organizations, IRI shares a dedication to finding the best solutions for our clients. We pride ourselves on developing and implementing efficient and goal-driven solutions to advanced fuel systems, power efficiency, emission improvement and engine remanufacturing. Our experienced and extensively trained staff understands that problems are good, working with our clients to support their advancement in the diesel engine industry