1850 Johan Pettersson started a forge in Landskrona, Sweden.
1872 Together with Alexander Ohlsen, Pettersson found the company Petterson & Ohlsen.
1875
The name of the company was changed to Landskrona Nya Gjuteri & Mekaniska Verkstad.
1876
The company change name to Landskrona Nya Mekaniska Verkstad.