Our heritage At the core of ASSA ABLOY Entrance Systems lies a broad and deep experience in entrance automation, with a wealth of expertise and a strong history of proven solutions. Our well-known global product brands Besam and Megadoor are established market leaders in their fields for decades. The ASSA ABLOY Group was formed through the merger of ASSA in Sweden and Abloy in Finland in 1994. The Entrance Systems division was formed in 2006. Besam became part of the ASSA ABLOY Group in 2002. Besam was established in 1962 with the development of automatic doors for the healthcare sector; soon expansion was made into other sectors such as retail and transportation. Megadoor joined the ASSA ABLOY Group in 2011.The first Megadoor vertical lifting fabric door was developed in 1973 as a kiln door for the forestry industry, with mining, shipyard and aviation applications soon to follow.