 Since 1978 the main owners have been the siblings Cecilie Paus and Helen Juell, and their now deceased brothers Wilhelm Wilhelmsen and Finn Wilhelmsen.Their children, the fifth generation of the Wilhelmsen family, are Thomas Wilhelmsen, Olympia Paus, Pontine Paus, Cathrine Løvenskiold Wilhelmsen, Hedvig Juell, Maren Juell, Hannah Wilhelmsen, Monica Wilhelmsen and Julie Wilhelmsen.In 1861, the company was founded by (Morten) Wilhelm Wilhelmsen in the town of Tønsberg, Norway.