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| 1946 | Establishment of the general partnership Alfred Wagner & Partner based in Traun. An important project in the first years after company foundation was the dismantling of steel formworks at Kaprun power station in Austria |
| 1955 | Renaming of the company: Alfred Wagner Rohr und Profilwerk |
| 1973 | Relocation of the company to Wagram (Pasching/Linz); construction of the office building and parts of the first workshop |
| 1978 | New company name due to changes in the fields of activity: Alfred Wagner, Eisenhandel und Erzeugung von Halbfabrikaten aus Stahl |
| 1979 | Following the death of Alfred Wagner Sen., Alfred Wagner Jun. continues commercial operations |
| 1982 - 1988 | Step- by- step construction of workshops #2 and #3 west of the first workshop |
| 1983 | Reorganisation and renaming of the company: Alfred Wagner Gesellschaft m.b.H. & Co. KG. |
| 1985 | Establishment of ALWAG Tunnelausbaugesellschaft mbH. |
| 1992 | Construction of workshop #4 in the west of the office building |
| 1998 | First, successful application of the AT - Pipe Umbrella Support System at Siebergtunnel (AT); construction of workshop #5 |
| 2006 | Aquisition of ALWAG Tunnelausbau Gesellschaft m.b.H. by DYWIDAG-Systems International GmbH (DSI). At that time, ALWAG has around 60 employees and has been managed by Mr. Karl Böhm for 20 years |
| 2007 | ALWAG represents DSI's Tunneling Division at the BAUMA in Munich, the most important construction trade fair worldwide |