open house procedure-green button 2.0 - auditing and certification country

system consulting for the project "2021-mik long-term storage"

caretaker service in school facilities

fixed-term contract work in the braunschweiger verkehrs-gmbh network.

support for a geographic information system based on arcgis (esri).

leisure, sports and recreation area sigeko services

sewer cleaning and tv inspection 2022

framework agreement for engineering services for subsidence damage processing

tendering of catering services in the amberger congress centrum

annual contract for maintenance and repair of electrical installations