Southwind Maritime Panama S.A. was established in 1983. It was a type-F company and it is considered as dormant.
Southwest Consolidated Investments S.A. was established in 1983. It was a type-E company mainly acting as shipping agency. In1990 the company belonged to Atol Group.
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.
Southern Shipping Company S.A. was established in 1955. It was a type-C (considered also as a type-D) company mainly engaged in shipping, tourism and acting also as intermediary representative. 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.
South Atlantic Marine S.A. was established in 1951. It was a type-C company mainly engaged in shipping. It was the owner of the vessel "Olympic Sun".
Somerset Navigation Company Panama S.A. was established 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.
Socrates Maritima S.A. was established in 1955. It was a type-C company mainly engaged in shipping. The company was dissolved in 1983.
Sociedad Maritima San Martin S.A. was formed in 1951. It was a type-C 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.
This is the first Panamanian company established on April 14, 1939 at the Consulate General of the Republic of Panama in London. This first initiative was supported by the shipowners of the Greek office in London, who had introduced him to Greek shipping in the 1930s: Costas Gratsos and Pericles Drakoulis, scions of families with a long maritime tradition from the island of Ithaca. Constantinos Georgiou Gratsos, Dimitris Georgiou Gratsos, Panos Georgiou Gratsos, Constantinos Pericles Drakoulis and Aristotle Onassis himself appear as members and shareholders of Onassis’s first Panamanian company. He transferred to this company his first two cargo steamships "Onassis Pinelopi" and "Onassis Socratis", under the Panamanian flag.
The Sociedad Industrial Maritima Financiera Ariona Panama S.A. was established in 1946. It was involved as owner of Onassis companies during the conflict between Onassis and the government of the United States. This conflict concerned the purchase by Onassis (and other Greek shipowners) of American warships from the United States Maritime Commission, tankers in particular, at a time when their purchase by foreigners was forbidden. The purchases were made by shipping companies which appeared to belong to American citizens, but Onassis held all the shares. After the conflict with the United States government – a lengthy and much-discussed dispute, and which ended with a compromise in 1956 –three of Onassis’s American shipping companies were merged into Victory Carriers Inc., to which control of all the ships was transferred. The American company Victory Carriers subsequently took control of 75% of the Liberian Alexander S. Onassis Corporation a company nominally owned by Aristotle Onassis, with 25% owned by Sociedad Industrial Maritima Financiera Ariona Panama SA.
Sociedad Armadora Cordoba S.A. was formed in 1951. It was a type-G company, known as passive company.
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 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.
Sociedad Armadora Aristocratis Panama S.A. was established 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.
Sociedad Armadora Aristidis Panama S.A. along with A.S. Onassis Panama S.A., were the primary mother companies belonging to 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. This company passed to the Christina Onassis Group of companies owned by ATOL.
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.
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.
Silverton Shipping Panama S.A. was established 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 October 21, 1991.
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.