Any efficient and intelligent organization needs transparent and clearly structured processes, a practice which is elementary to our way of thinking and working and for which we have been awarded official recognition: HOCHTIEF Energy Management has energy (DIN EN 16001), quality (ISO 9001), environment (ISO 14001) and work safety (ISO 18001) certification. Working with us really pays and the reliable energy, quality, work safety and environmental protection guaranteed gives you an invaluable benefit: peace of mind.