Energies and utilies, Energy contracting, Conduits, sewers & underground construction, Waste disposal and management / Sewage-sludge incineration, Facility Management, industrial cleaing, Building-systems engineering, Fire protection, Security Services, Occupational medicine, OSH, plant & system safety, Monitoring of hazardous materials, Planning and construction of Laboatories; Laboratory Packages, Storage and Logistics Solutions, IT-Outsourcing, building management, structural and civil engineering, cleanig of tank-cars, LAN/WAN-Networkintegration, Solutions for Communications, clean rooms, clean rooms validation, contract logistics, education and training, Zeus