Biogas technologyBridge constructionCivil engineeringElectrical installationGeneral contractorsIndustrial construction and hall buildingRemediation worksSewage treatment plantsStructural engineeringTurn-key construction
Building technology/ building services (building automation)Cable layingCommunication technologyData network worksDoors and gatesElectrical installationFire protectionIndustrial construction and hall buildingLighting systemsLightning protectionPhotovoltaicsPlant engineeringRenewable energiesSafety technologySewage treatment plantsSolar panels