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Calumet River Fleeting Inc., Chicago, IL

Causley Marine Contracting LLC, Bay City, MI

Chantler Barging Ltd., Parry Sound, ON

Chicago Department of Water Management, Chicago, IL

Chicago Park District, Chicago, IL

Clearwater Marine LLC, Holland, MI

Cobby Marine & Crane Service Inc., Kingsville, ON

Cole-Munro Food Groups Inc., St. Thomas, ON

Construction Polaris Inc., Sept-Iles, QC