The story
In 1896 V.H.O Madsen designed an air-cooled, repeating machine gun which then took his name, Madsen. In the year 1900 the company Compagnie Madsen A/S was founded. This company was to produce this Madsen machine gun.
In 1930 A.P Møller bought a sum of shares corresponding to 15% of the total shares. In the following years A.P Møller expanded his shareholding to 31.6%, and was hereby the biggest shareholder.
From Wikipedia’s article on DISA (company), shared under CC BY-SA 4.0.5