Established in 1966, Greenman-Pedersen, Inc. (GPI) is a consulting engineering, planning, survey, mapping, and construction management and inspection firm that specializes in the innovative development, design and construction of infrastructure and building systems. Originally founded by A. Beecher Greenman and Herbert M. Pedersen, GPI has grown from a two-person endeavor to a consulting firm included among ENR’s top 100 national design firms.

GPI provides services to a wide variety of government agencies, municipalities, institutions, industries, architects and developers. We attribute our long-lasting relationships with our clients to the talented, responsive, service-oriented professionals employed throughout the GPI organization. It is our people that set us apart from other consultants and is what truly makes this company unique.