Creighton Manning celebrated its 50th anniversary in 2015, having grown from a two-person transportation planning firm to a staff of approximately 100. Creighton Manning was acquired by an affiliate of national engineering, planning, and environmental consulting firm GAI Consultants, Inc. in 2024, joining with nearly 1,000 multidiscipline colleagues across the U.S. Powered by experienced engineer
ing professionals and complementary service offerings, Creighton Manning, a GAI company in partnership with GAI is poised for continued growth energized by a shared vision to provide exceptional service, top-quality technical solutions, and a people-first culture that benefits clients and staff. https://gaiconsultants.com/gai-acquires-creighton-manning-engineering/