The core activity of Weiss+Appetito SEM AG encompasses three main areas:
1. **Construction Machinery and Commercial Vehicles**: The sales and maintenance of construction machinery and commercial vehicles, particularly suction excavators, are an essential part of the company.
2. **Special Vehicle Construction**: The company develops and manufactures special vehicles, such as ash vacuums, blowers, light material dump trucks, self-propelled aerial work platforms, and hydroseeders.
3. **Car Workshop**: The car workshop offers services including maintenance, repair, and conversion of vehicles, including the sale of used vehicles.
Overall, the company's focus is on the development, sales, and maintenance of specialized vehicles and construction machinery, as well as providing services in the car workshop sector.