Billionaire shipowner John Fredriksen’s key companies roll off the tongue like a who’s who of the maritime world, but one of them has been less visible than the others.

Tanker giant Frontline is arguably the best known of all his firms. Bulker owner Golden Ocean is synonymous with one of his flagship deals, in which he took the company over from Fred Cheng as a tanker play and transformed it into one of the largest dry cargo fleets on Wall Street.