1973 Registration Kusters by Adriaan Kusters. In his spare time, he was already working on small projects where Jan [link news item interview Jan Kusters] also often accompanied him. A single client asking for an account laid the foundation for Kusters' official registration.
1990 Transfer from Adriaan Kusters to his son Jan Kusters and his associate Piet van Duijnhoven. They led Kusters into a phase of accelerated expansion. Several years later, Jan took over full management.
2013 Acquisition Wilting, a leap that made Kusters grow even further. At the time, Wilting was three times bigger than Kusters. Later, more companies were added to the group, creating the precursor to the Andra Tech Group as we know it today.
2023 50th anniversary of Kusters. This was celebrated grandly with family and colleagues throughout the year. Jan Kusters and his mother were also present at this celebration.