The Oceanic Transport Corporation was established in 1949. It is a type-C company engaged mainly in shipping. From 1950 it owned two vessels, "General Artigas" and "General Rivera".
Columbia Marine S.A. was established in 1956. It was a type-C company mainly engaged in shipping. The company was dissolved in 1983.
Monterrey S.A. was established in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Rider".
Foreland Navigation Company S.A. was established in 1957. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Star".
Arrow Shipping Company Panama S.A. was established in 1958. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Wind".
Arapey Financiera Panama S.A. was established in 1961. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Chariot". The company sold the vessel in 1983 and purchased the vessel "Olympic Galaxy" in 1986.
Ultramar International Cargo Inc. was established in 1960. It was a type-C company mainly engaged in shipping.
Madden Marine Panama S.A. was established in 1961. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Gate". In 1977 belonged to A.S.O. Naviera Panama S.A. The vessel "Olympic Gate" was sold to Holly Shipping Corporation in 1983.
Grafton Shipping Panama S.A. was established in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Armour". The vessel was sold in 1980. In 1980 the company purchased "Olympic Armour II" (ex "Lotor"). In 1990 the company purchased the vessel "Olympic Brilliance" (VLCC).
Lynwood Marine Panama S.A. was established in 1969. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Alliance". The company was dissolved in 2007.
Kirton Panama S.A. was established in 1971. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Bravery". The vessel "Olympic Bravery" was sold in 1977. In 1990 the company belonged to A.S.O. Naviera Panama S.A. (50%) and to Atol (50%). It was dissolved in 1993.
Benmore Panama S.A. was established in 1970. 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. In 1990 the company belonged to ASO Group.
Montego Transportation Company was established in 1973. It was a type-C company mainly engaged in shipping. It was a Liberian company without issued share capital. In 1979 - 1981 the vessel "Olympic Star" belonged to the company. In 1985 "Olympic Star" was sold to Ingleside Panama S.A. In 1991 Silverton Shipping Panama S.A. was the stockholder of the company.
Occidental Carriers S.A. was established in 1983. It was a type-C company mainly engaged in shipping as the owner of the vessel "Olympic Melody".
Kelso Panama S.A. was established in 1980. It was a type-C company mainly engaged in shipping as the owner of the vessel "Olympic Flag".
Grandbrook Company was a type C company and was mainly engaged in real estate
Ionian Limited S.A. was established in 1954. It was a type-C company. It was an aviation company, (dormant). Parent company Denton Marine Panama S.A. In 1964 Carolus S.A. was its agent. In 1990 50% of the company shares belongs to ASO and the other 50% belongs to Atol Group
Seacrest International Enterprises S.A. was established in 1983. It was a type -C company. Bought a leasehold at 15 Grosvenor Square in March 1984 and sold it in July 1984. The company was dissolved in 2001.
Greenwich Panama S.A. was established in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Eagle".
Swansea Marine Panama S.A. was established in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Breeze".
Ensenada Maritima Panama S.A. was established in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Snow".
Union Shipping Co. Ltd. was established in 1965. It was a type-C company mainly engaged in shipping.
Goldensea Panama S.A. was established in 1956. It was a type-C company. It was an aviation company, (dormant). Parent company Denton Marine Panama S.A. In 1990 50% belongs to ASO and the other 50% to Atol Group.
Helmsdale Shipping Company Panama S.A. was established n 1967. It was a type -C company, engaged mainly in banking. Owned the Banque de Depots (80% ownership), which was resolved in 1980. Its parent company was Sociedad Armadora Aristotelis Panama S.A. (in 1970) and Sandiland Marine Panama S.A. (after 1975). ASO owns 50% shares and the other 50% belongs to Atol.
Rosswell S.A. was established in 1980. It was a type-D company mainly acting as intermediate agency.
Hopewell S.A. was formed in 1980. It was a type-B company mainly acting as intermediate holding company. It belonged to Atol Compania Naviera 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.
International Finance Panama S.A. was formed in 1976. It was a type-D company acting as intermediate agency, mainly engaged in investments. It belonged to Albany Finance. 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. The company was dissolved in 2001.
Island Investments Limited was a type-C company, mainly engaged in real estate. The company was the owner of a flat at 12/24 Reeves Mews, London. It was sold in 1995. 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.
Kingstown Financiera Panama S.A. was formed in 1965. It was a type-D company acting as intermediary representative.
Moreno Shipping Company was formed in 1967. It was a type -C company mainly engaged in shipping. The company owned the vessel Olympic Dream . 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.