Otto Kajetan Weixler

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.

Apleona GmbH engages in the provision of real estate and facility management services. It operates through the following business areas: Facility Management, Real Estate Management, Building Technology, and Interior Fitouts. The firm offers services such as integrated facility management, facility management consulting, fund and asset management, leasehold improvements, drywall construction solutions, turnkey interior fittings and modernization, as well as fabrication and assembly of own fitting systems. The company is headquartered in Neu-Isenburg, Germany.