Bernd Jacke

AVECO Holding AG engages in the provision of airport, facility management, and industrial services. The airport services include ground handling, aircraft cleaning, and cargo handling. The facility management services encompass building technology, cleaning, security, catering, and garden maintenance. The industrial services involve building, ventilation, and electrical engineering; maintenance and repair of machines; production support; and logistics. The company was founded by Claus Wisser in 1991 and is headquartered in Frankfurt, Germany.

WISAG Service Holding GmbH & Co. KG provides facility management, airport, and building operating technology, cleaning and security services. The company was founded by Claus Wisser in 1965 and is headquartered in Frankfurt am Main, Germany.