Kristen Kristensson is dated to 1953 and recorded as Donsötank’s operator from the 1950s. Later entries include Kristen Kristensson P/R and Lars Borje Kristensson. Donsö Bunkerservice remained active with family management after sale of Ömega af Donsö, despite disappearing from the group register.
Keep the explicit scope label independent; no alias or company identity is inferred.