Falmouth Marine Panama S.A. was formed in 1963. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Pearl. 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. The company was dissolved in 2000.
Foreland Navigation Company S.A. was formed in 1957. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Star.
Glenarm Financiera Panama S.A. was formed in 1970. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Breeze. In 1981 the company belonged to A.S.O. Naviera Panama S.A.
Goldensea Panama S.A. was formed 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.
Grafton Shipping Panama S.A. was formed 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).
Grandbrook Company was a type C company and was mainly engaged in real estate
Greenwich Panama S.A. was formed in 1956. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Eagle.
Helmsdale Shipping Company Panama S.A. was formed 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.
Henley Finance Corporation was formed in 1976. It was a type-B company mainly acting as intermediate holding company. It belonged to Sandiland 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.
Holky Investors Inc was formed in 1985. It was a type-C company, engaged in shipping. It owns the second floor of a building located at 88 Avenue Foch, in Paris.
International Cargo Inc. was formed in 1956. It was a type-G company acting as passive company
Ionian Limited S.A. was formed 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
Kelso Panama S.A. was formed in 1980. It was a type-C company mainly engaged in shipping as the owner of the vessel Olympic Flag.
Kinsdale Panama S.A. was formed in 1966. It was a type-D company mainly engaged in shipping and owner of the vessel Olympic Peace.
Kirton Panama S.A. was formed 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.
Lerwick Marine Panama S.A. was formed in 1971. It was a type-C company mainly engaged in shipping. 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.
Lindale Panama S.A. was a type F company.
Lynwood Marine Panama S.A. was formed 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.
Madden Marine Panama S.A. was formed 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.
Mayflower Marine S.A. was formed in 1956. It was a type-B company mainly acting as an intermediate holding company. 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. The company was dissolved in 2001.