The Volharding Group, with its proud members Koole Tankrederij BV and Star Bonaire BV, is a highly experienced maritime company that provides transport services and solutions via sea and inland shipping for vegoils (feed/food), mineral products and clean petroleum products (CPP / biofuels). In cooperation with CIMS we also collect washing waters from persistent floaters, and various fats. Our skilled crew has more than 25 years of fleet experience and offers all our customers a high level of service with a personal touch. We cover various areas such as the Netherlands, Belgium, Germany, Switzerland, France, England and Scandinavia.