PLATINUM: ACEC Life/Health Trust Advanced Drainage Systems AECOM Baker and Associates ROWE Professional Services Company T.Y. Lin Wade Trim GOLD: Abonmarche Consultants, Inc. Bergmann Associates, Inc. Fishbeck OHM Advisors SME
SILVER: AR Engineering DLZ Michigan, Inc. Fleis & VandenBrink Engineering, Inc. HDR Hubbell, Roth & Clark, Inc. Northern Concrete Pipe, Inc. NTH Consultants, Ltd. Tetra Tech, Inc.