In 2015, Tunga Lyft i Sverige AB is acquired by Storskogen.
In November 2006, Tunga Lyft i Sverige AB was formed as an independent company, specializing in heavy goods handling and complex lifting.
In 2001, Kynningsrud bought Ralling's construction division, which later became Tunga Lyft.
In 1995, Ralling AB acquired RMS travel mast system in Skövde.
In 1972, Skånska cementgjuteriet, now Skanska AB, buys AB Jan Ralling, which then becomes part of Skanska Prefab. The name is changed to Ralling AB
In the late 1960s, AB Jan Ralling buys Grävningsbolaget.
In 1953, the company was involved in the construction of the first concrete highway between Malmö and Lund.
In 1947 the Grävningsbolaget was founded.
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