5R Enterprises

Morris, Illinois

Al Warren Oil

Hammond, Indiana

Ballard Marine Construction

Washougal, Washington

Barr Engineering

Ann Arbor, Michigan

Burns & McDonnell

Duluth, Minnesota

Capacity Marine

Mahwah, New Jersey

Chicago Propeller Club

Chicago, Illinois

Donjon Shipyard

Erie, Pennsylvania

Edgewater Resources

Madison, Wisconsin

Evans Transportation Services

Delafield, Wisconsin

Fincantieri Marine Group

Wisconsin

Forvis

Erie, Pennsylvania

Foth Infrastructure and Environment

Franklin, Wisconsin

Gateway Trade Center / Port of Buffalo

Buffalo, New York

Great Lakes Maritime Academy

Traverse City, Michigan

Innovative Signal Analysis

Richardson, Texas

JD Fields & Company

Oak Brook, Illinois

Kinder Morgan Terminals

Argo, Illinois

Kokosing Industrial, Durocher Marine Division

Cheboygan, Michigan

KS Associates

Elyria, Ohio

Metro Ports

Portage, Indiana

Nicholson Terminals

Ecorse, Michigan

Ogdensburg Bridge & Port Authority

Ogdensburg, New York

PND Engineering

Houston, Texas

Prime Focus LLP

DePere, Wisconsin

Ramboll

Milwaukee, Wisconsin

Ryba Marine

Cheboygan, Michigan

Tata Steel

Schaumburg, Illinois

Tranport Properties

Gary, Indiana

VAA Engineering

Plymouth, Minnesota

Verplank Dock Company

Ferrysburg, Michigan

Via Rail Engineering, Inc.

Maribel, Wisconsin

Warner Petroleum

Detroit, Michigan

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