The core activity of MMS Unternehmungen GmbH is the provision of construction services, particularly in the areas of civil engineering, logistics, earthworks, road construction, demolition, gardening, environmental construction, and transportation. This includes, among other things: trench and pipeline construction work, construction site and road construction work, environmental work, general excavator work, waste disposal and logistics services, delivery and trade of building materials such as gravel, stone, concrete, paving and topsoil, dump truck and gravel transportation, demolition and dismantling work, gardening and environmental construction work, road construction and paving work. The company primarily offers its services in the region around Lake Zurich.