Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year

Maintenance and basic cleaning of various buildings in the Siegen-Wittgenstein district in the years 2023-2025, with optional extension annually by 1 year