Norilan Inc. was formed in 1985. It was a type-B company mainly acting as intermediate holding company.
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
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.
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.
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.
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.
United Services Corporation was formed in 1975. It was a type-C company, engaged in real estate. The company was the tenant of the Geneva office and
Velosan Corp. was formed in 1986.
Wenlock Panama S.A. was formed in 1971. It was a type-B company acting as intermediate holding company.
Windsor Trading Corporation was formed in 1979. It was a type-C company mainly acting as intermediate holding company in the field of the vessel owing. It owned the vessel Olympic Fame. 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.