Cliff Viessman, also known as CVI, is a transportation company. It hauls a variety of tanker products and its primary commodities are liquid corn sweetener, liquid sugar, food grade oils and dairy products. Cliff Viessman has six terminals located in Cedar Rapids, Iowa; Columbus, Neb.; Dayton, Ohio; and Marshall and Renville, Minn. that primarily handle liquid sweeteners. The company is also...