Harbel Transportation Company was formed in 1960. It was a type-B company 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 1987.
Hawkesbury Shipping Panama S.A. was formed in 1970. It was a type-B company acting as intermediate holding company. In 1981 also acted as intermediate holding company. In 1991 all the shares transferred to Silverton Shipping Panama S.A.
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.
Howland Panama S.A. was formed 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.
Ingleside Panama S.A. was formed in 1967. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Ambition. The vessel was sold in 1981.
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.
Liberty Transportation Company was formed in 1952. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Sky.
Liberty S.A. was formed in 1950. It was a type-C company mainly engaged in shipping.
Milford Navigation Company Panama S.A. was formed 1963. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Glory. In 1963 Carolus S.A. was the registered agent. In 1981 A.S.O. Naviera Panama S.A. was the parent company. The vessel Olympic Glory was sold in 1983 to Ssangyong Corporation of Seoul.
Misiones S.A. was formed in 1951. It was a type-C company. It was an aviation company, (dormant). Parent company Denton Marine Panama S.A. In 1990 the company belongs 50% to Atol and the other 50% to ASO Group.
Montserrado Transportation Company was formed in 1953. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Splendour.
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.
Norilan Inc. was formed in 1985. It was a type-B company mainly acting as intermediate holding company.
Northampton Panama S.A. was formed in 1967 and it was a type -C company. It was an aviation company, (dormant). Parent company Denton Marine Panama S.A. In 1990 the company belongs 50% to Atol and the other 50% to ASO Group. The company was dissolved in 2006.
Obelisk Navigation S.A. was formed in 1986. It was a type-C company mainly engaged in shipping as the owner of the vessel Olympic Loyalty.
Olympic Transportation Company was formed in 1952. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Mountain.
Panamerican Marine Corporation was formed 1951. It was a type-D (aunt) company mainly engaged in chartering as intermediary representative.
Peerless International S.A. was formed in 1969. It was a type-B company 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
Pennine Navigation Company S.A. was formed in 1983. It was a type-C company mainly engaged in shipping as the owner of the vessel Olympic Merit.
Pinepoint Panama S.A. was formed in 1976. It was a type-C company mainly acting as intermediate holding company. Medford Panama S.A. was the mother company. 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.
Plate Marine S.A. was formed in 1951. It was both a type-C and a type-E company mainly engaged in tourism. 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. Also, it was the company that was responsible for supplies and parts for ships and aircraft. 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.
. The company was dissolved in 2006.
Portamar 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 Goal.
Rex 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 Ariston. 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.
Rosedale Navigation Company S.A. was formed in 1959. It was a type-C company mainly engaged in shipping and tourism. It was the owner of the vessels Arickaree (Action after 1963), Battle Rock (Armor after 1963), Camp Namanu (Ark after 1963) and Republic. 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.
Rossway Transportation Company was formed in 1973. It was a type-C company mainly engaged in shipping.
Saudi Arabian Tankers Company Limited was formed in 1954. The company was founded in order to implement the famous agreement between Saudi Arabia and Aristotle Onassis, which turned the United States, the Northern European countries and the oil companies against him. The company operated a tanker, the Al-Malik Saud Al Awal, between 1954 and 1959, but in the end the agreement was never implemented and, after the final judgement of the International Court of Justice in The Hague in 1958, which declared the agreement invalid, it was dissolved.
Sherood Panama S.A. was formed in 1976. It was a type-C company, engaged in real estate. 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. In 1998 owner of the first floor of a building located at Avenue Foch, Paris, parent company Pinelands Marine Panama S.A.
Sociedad Armadora Aristomenis Panama S.A. was founded in 1946. It is a type-B, mother company that is an intermediate holding company of almost all the Panamanian and Liberian companies that owned Onassis’s ships until 1975. After this year 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 Sociedad Armadora Aristotelis Panama S.A. was formed in 1946. This is the third important type-A grandmother company, that owned mainly Onassis’s other, non-shipping companies. Specifically, it was the main A company for the Olympic Airways companies and other banking investments, shipyards and refineries. The grandmother company Aristotelis owned all the companies associated with his homes. The companies A.S. Onassis Panama SA and Sociedad Armadora Aristidis Panama SA were the primary mother companies belonging to the company Aristotelis. These mother companies in turn owned the daughter company Ashland Shipping Panama SA, which was founded in 1956 and owned Onassis’s apartment on Avenue Foch in Paris. The daughter companies Anonimos Ktimatiki kai Emboriki Etaireia Agamemnon and Anonimos Ktimatiki and Emboriki Etaireia Mykinai owned the island complex of Skorpios and his homes in Glyfada. The daughter company Rawson Panama SA owned Onassis’s villa in Lagonissi, while the daughter company Jancourt Marine Panama SA owned his yacht the Christina, etc. Among these companies one can even find personal purchases of clothes by Onassis’s wives and his daughter Christina from the top European fashion houses, such as Valentino and Dior. After 1975 the company passed to the Christina Onassis Group of companies owned by ATOL and managed by OMSA.
Sociedad Armadora Cordoba S.A. was formed in 1951. It was a type-G company, known as passive company.
Socrates Maritima S.A. was formed in 1955. It was a type-C company mainly engaged in shipping. The company was dissolved in 1983.
Southport Maritime Corporation was formed in 1976. It was a type-C company, mainly engaged in shipping and acting as vessel owning company, as well as, touristic and shareholding company.It belonged to Oceanway Shipping Panama S.A. and owned the vessel Aristotle S. Onassis. 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.
Sudbury S.A. was formed in 1981. It was a type -C company, owns a land at Glyfada.
Sunbeam Maritime Panama S.A. was a type C company, mainly engaged in real estate.
Tacapan Marine Panama S.A. was formed in 1973. It was a type-C company mainly engaged in shipping. The company was dissolved in 1993.
The Posterus Company S.A. was formed in 1984. It was an intermediate holding company and was dissolved in 2001.
Transcontinental Trading Company S.A. was formed in 1957. It was a type-C company mainly engaged in shipping and tourism. It was the owner of the vessel Olympic Dale. 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.