International Cargo Inc. was formed in 1956. It was a type-G company acting as passive company
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.
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.
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.
Monrovia Transportation Company was formed in 1955. It was a type-C company mainly engaged in shipping and the owner of the vessel Olympic Challenger.
Omiros Maritima S.A. was formed in 1955. It was a type-C company mainly engaged in shipping.
Pinelands Marine Panama S.A. was formed in 1976. It was a type-B company mainly acting as intermediate holding company and parent of several other companies, such as Ashland Shipping Company S.A, Barrow Holding Corporation, Burnside Holding Corporation, Eton Finance Panama S.A., Peerless International S.A., Phoenix Shipping Company Panama S.A., Salvador Navigation Company Panama S.A. and Sherood 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
Redbank Shipping Company Panama S.A. was formed in 1961. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Games. 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.
Salvador Navigation Company Panama S.A. was formed in 1973. It was a type-G company acting as passive company.
Sheridan Holding Inc. was formed in 1984. The company was the owner of the Nash House, London, and Everton Holding Corporation shareholders in 1993.
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.
Transworld Trading Company S.A. was formed in 1956. It was a type-C company. It was an aviation company, (dormant). In 1976 undergoing change of ownership to Atol and A.S.O. equal holdings. In 1990 50% shares of the company belongs to A.S.O. and the other 50% belongs to Atol Group. In 1998 its parent company was Denton Marine Panama S.A.
United Investments Panama S.A. was formed in 1976. It was a type-D company mainly acting as intermediate agency in the field of cash management. It was the holding company of Athina Group of companies and owned several other companies such as Rhone Investments Limited (dividend from Corvallis), Evanston Panama S.A., Moreno Shipping Company and State Mercantile Company 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.
United Marine Insurance Company Limited was formed in 1992. It was a type-E company acting as shipping agency.
Victory Development Corporation was formed in 1969 and it was a type-B company. It was the owner company of Olympic Towers. 50% of shares belong to Barillas Compania Naviera S.A. of the Christina Onassis Group. Sociedad Industrial Maritima Financiera Ariona Panama S.A. was 25% owner of Victory Shipping and Trading Inc. and the rest 75% was owned by Alexander and Christina Onassis in an agreement formed in 1958.
Watertow Transportation Company was formed in 1973. It was a type-G company acting as passive company
Westchester Corporation Limited was formed in 1964. It was a type-D company acting as intermediary representative.