MMistAB was founded 1982 by Tommie Avelin. From the beginning was the main focus harbor assistans with Tugboats. After some years the scoop of service included transportation of passengers in the archipelago of Stockholm with at the most 5 passenger vessels in service. 1993 the company transformed slowly to focus on trading and service of diesel engines, spare parts and power generation. Today MMistAB work as an wholesaler and agent for manufacturers of high quality products in the marine and industrial field.