Rainbow Shipping Company Panama S.A. was formed in 1961. It was a type-C company mainly engaged in shipping.
Redonda Navigation Panama S.A. was formed in 1970. It was a type-C (and type B) company mainly engaged in shipbuilding as a shareholder of Harland & Wolf Shipyards.
After 1975 the company passed to the Christina Onassis Group of companies owned by ATOL and managed by OMSA. After 1999 the ownership of Christina Onassis Group of Companies passed to her daughter Athina Onassis. The management of the companies was still held, separately from the Alexander S. Onassis Foundation Companies, until 1999.
Risdon Maritime Panama S.A. was formed in 1965. It was a type-C company mainly engaged in shipping.
Rivadavia Maritime S.A. was formed in 1956. It was a type-C company mainly engaged in shipping and tourism. It was also the owner of the vessel Olympic Honour. It was one of the companies that between 1951-1959 purchased shares of the Société des Bains de Mer and eventually took control of the company that owned Monaco’s most important businesses: the Casino, the Opera House and the famous Hôtel de Paris.
Rosario Shipping and Trading S.A. was formed in 1983. It was a type-B company mainly engaged in shipping as the owner of the vessel Olympic Leader. The vessel was sold in 1991.
Salinas Financiera Comercial S.A. was formed in 1957. It was a type-C company mainly engaged in shipbuilding.
Seabrook Shipping Company Panama S.A. was formed in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Rock. The company was dissolved in 1983
Seaford Marine S.A. was formed in 1957, as a type-C daughter company. It owned the vessel Olympic Flame (1948-1972). It was one of the companies that between 1951-1959 purchased shares of the Société des Bains de Mer and eventually took control of the company that owned Monaco’s most important businesses: the Casino, the Opera House and the famous Hôtel de Paris.
Seaforth International Corporation was formed in 1977. It was a type-D company mainly acting as intermediate agency. It was responsible for collecting the freights of certain vessel-owning companies.
Severna Shipping Panama S.A. was formed in 1980. It was a type-C company mainly engaged in shipping as the owner of the vessel Olympic Liberty, which was built in 1983 and sold in 1988.
Silverton Shipping Panama S.A. was formed in 1968. It was a type-B company acting as intermediate holding company. It was one of the main mother companies that held the shares of the daughter shipping agencies. After 1975 and especially in 1981 also acted as intermediate holding company. The Melbury Shipping Company Panama S.A. was the sole shareholder of Silverton Shipping Panama S.A. in 21.10.1991.
Sinaloa Shipping Panama S.A. was formed in 1973. It was a type-G company acting as passive company. In 1976 it was the owner of investment securities. In 1977 it was the owner of shares of Societe Des Forges & Chantiers de la Mediterranee.
This is a type-B, mother company that is an intermediate holding company of Panamanian and Liberian companies that owned Onassis’s assets until 1975. This company passed to the Christina Onassis Group of companies owned by ATOL.
Sociedad Armadora Aristocratis Panama S.A. was formed in 1946. It was a type-C company mainly engaged in real estate. In 1946 Sociedad Maritime Miraflores Limited was its stockholder. In 1951 it owned two apartments in Avenue Foch 38, Paris which were sold in 1955.
Somerset Navigation Company Panama S.A. was formed in 1963. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Pegasus. In 1983 Peerless International S.A. was the holder of 9.993 shares of the company.
South Atlantic Marine S.A. was formed in 1951. It was a type-C company mainly engaged in shipping. It was the owner of the vessel Olympic Sun.
Southwest Consolidated Investments S.A. was formed in 1983. It was a type-E company mainly acting as shipping agency. In1990 the company belonged to Atol Group.
Southwind Maritime Panama S.A. was formed in 1983. It was a type-F company and it is considered as dormant.
Springfield Shipping Company S.A. was formed in 1963. It was a type-E company mainly acting as shipping agency. In 1990 belonged to Atol Group. Springfield Shipping Co. Panama S.A., was the technical manager of the Tanker fleet and it's located in P. Phaleron. Its guiding principles are in the areas of crewing, safe and efficient vessels’ operations."After the transfer of OMSA's purchasing and technical departments from Monte Carlo to Piraeus it became integral part of Springfield" crewing agency company.
Sunstone Marine Panama S.A. was formed in 1959. It was a type-C company mainly engaged in shipping and owner of the vessels Federal (Adventurer after 1963) and Fort Bridger (Archer after 1963). After 1975 Barillas Compania Naviera S.A. was the shareholder of the company. The company was dissolved in 1982.
Thurston Panama S.A. was formed in 1966. It was a type-G company acting as passive company.
Transpacific Freighters Company S.A. was formed in 1983. It was a type-C company mainly engaged in shipping as the owner of the vessel Olympic Miracle.
No bearing with the groups, on 5.6.74 capital= 20.000$. Westchester Corporation Limited acts as a financing corporation to Trenton, which is the owner of Mrs. M. Callas' flat in Paris, 36 Georges Mandel Avenue (11.07.1977).
Ultramar Cargo Inc. was formed in 1957. It was a type-C company mainly engaged in shipping.
Union Cape Development S.A. was formed in 1983. It was a type-E company mainly acting as shipping agency.
Viamonte Sociedad Maritima Panama S.A. was formed in 1957. It was a type-C company mainly engaged in shipping and tourism. It was also the owner of the vessel Olympic Storm. It was one of the companies that between 1951-1959 purchased shares of the Société des Bains de Mer and eventually took control of the company that owned Monaco’s most important businesses: the Casino, the Opera House and the famous Hôtel de Paris.
Victoria Financiera Panama S.A. was formed in 1957 and it was a type-C company. In 1990 50% shares of the company belongs to A.S.O. Naviera Panama S.A. and the other 50% to Atol Compania Naviera S.A. Owned Olympic Airways, its parent company Denton Marine Panama S.A. The company was dissolved in 2006
Wedgeport Marine Panama S.A. was formed in 1970. It was a type-C company mainly engaged in shipping.
Wellington Shipping and Trading Co. Ltd. was formed in 1986. It was a type-B company mainly acting as intermediate holding company. It belonged to Pinelands Marine Panama S.A. This new company was formed after the division of the Onassis assets and the restructuring of the companies to serve the needs of the Christina Onassis group, which was managed separately by OMSA and separately from the Alexander S. Onassis Foundation's companies.