Holcim Ltd. (Holcim) is a Switzerland-based holding company that specializes on the manufacture, distribution and marketing of building materials. The Company is a supplier of cement and aggregates, such as crushed stone, sand and gravel. It is structured into three business segments: Cement; Aggregates, and Other Construction Materials and Services, including ready-mix concrete and asphalt. It is operative through its subsidiaries and affiliates in over 70 countries worldwide. Holcim Group Support Ltd., based in Zurich, is the central service organization of the Holcim Group. Holcim Trading Ltd., based in Madrid, is Holcim's internationally active trading company for cement, clinker and cementitious materials. Holcim Trading is responsible for the seaborne coal and pet coke procurement for the Holcim Group. It also manages a fleet of cement ships, grinding stations and cement import terminals worldwide.