Corrientes Sociedad Maritima S.A. was established in 1951. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Mariner".
Panamerican Marine Corporation was established 1951. It was a type-D (aunt) company mainly engaged in chartering as intermediary representative.
Olympic Transportation Company was established in 1952. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Mountain".
Montserrado Transportation Company was established in 1953. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Splendour".
Chester Navigation Company S.A. was established in 1957. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Cloud".
Howland Panama S.A. was established in 1966. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Progress". In 1986 the company sold the vessel "Olympic Progress".