Johs. Presthus appears in registers from 1953–54, later operating through Johs. Presthus Rederi, subsequently Presthus Shipping A/S. Management entries also include Arne Presthus R/S for part of the fleet. Early ship names mostly incorporated Presthus.
Norway, Bergen; Nestun in 1978–79.
Keep the explicit scope label independent; no alias or company identity is inferred.