The Rotterdam-based Van Weelde Shipping Group (VWSG) was established in 1964. The VWSG is an integrated shipping company – dedicated to Handysize dry bulk shipping – involved in ship-owning, ship-broking, commercial management and ship management, including crewing and technical management. The VWSG operates primarily under two brand names; OSR Rotterdam B.V. and Van Weelde Chartering B.V.