Piet Coelewij

Interparking SA designs, develops and operates public car parks. It operates parking facilities for more than 9000 vehicles. It provides its services at airports, hospitals and shopping centers. The company is headquartered in Brussels, Belgium.

Sonion A/S design and manufactures micro-acoustic and micro-mechanical components for hearing instruments, in-ear earphones and earphones. The firm offers products such as receivers, microphones, noise cancelling microphone, boom microphones, vibration sensors, active telecoils, passive telecoils, bone conduction vibrator, volume controls, switches, connector systems, trimmers, faceplates, tapers, and socketm, combination units and sonion sound dampers. The company was founded by Jorgen Weber Jensen and Jens-Jorn Stockholm in 1974 and is headquartered in Roskilde, Denmark.