The founder of MontATOR AB is in 1959, when the reorganization of Russian and Latvian special installation works branches, the Lithuanian Ministry of Construction established the installation board "Prammonrinė", which is later renamed the Technological Equipment and Metal Constructions Installation Trust with five specialized assembly boards in Vilnius, Kaunas, Klaipėda. In Šiauliai and Panevėžys. After the collapse of the Soviet Union, the state-owned company was privatized and registered as a Montager of AB.