| DISA | |
| Predecessor: | Compagnie Madsen A/S |
| Foundation: | 1900 |
| Location City: | Taastrup |
| Location Country: | Denmark |
| Area Served: | Worldwide |
| Products: | Metal Casting |
DISA is a company founded in Denmark (with the name Compagnie Madsen A/S) which since 1900 has produced metal casting products.
In 1936 it changed name from Dansk Rekyl Riffel Syndikat A/S to Dansk Industri Syndikat A/S and was a defence manufacturer most notable for producing the Madsen machine gun and Madsen M-50.
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.