Marine Service’s sister company Chemikalien Seetransport G.m.b.H. (CST) is the second company Dr. Karl-Heinz Krämer founded, in 1969. Today, Chemikalien Seetransport G.m.b.H is one of Germany`s leading technical and commercial ship management companies for own and third-party tankers and other tonnage. Since 2017 the company is managed by Christian Krämer in the 3rd generation of the owning family.