Maintenance, basic and glass cleaning for all buildings in the district of Tuttlingen.

Maintenance and basic cleaning of the buildings: Fritz-Erler-Schule, Ferdinand-von-Steinbeis-Schule, district media center, district sports hall, Geisingen road maintenance department, Emmingen-Liptingen road maintenance department, Tuttlingen landfill.

Maintenance and basic cleaning of the buildings: Erwin-Teufel-Schule, Otfried-Preußler-Schule (OPS), OPS special school for outside classes, Johann-Peter-Hebel-Schule, road maintenance center Spaichingen, landfill Aldingen, landfill Talheim, road maintenance center Harras, open-air museum (Neuhausen ob Corner).

Maintenance and basic cleaning of the building: district office with branch offices, specialist center for nursing and senior citizens, specialist center for early help.

Glass cleaning of all buildings in lots 1-3 (except open air museum) plus an additional 2 buildings.