... Gold Sponsors: BWC Columbus Airport TransSystems ... Silver Sponsors: Construction Employers Association Ginger Cunningham & Associates ... Bronze Sponsors: Bob Ross Auto Group CCI Engineering Services City of Columbus Office of Diversity COTA GPI and ASW Global Co. Great Lakes HDR John R. Jurgensen Company The Mannik & Smith Group, Inc. MS Consultants, Inc. SORTA-Metro OhioTurnpike True Inspection Services