Howland Panama S.A. was established 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 established 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.
Hawkesbury Shipping Panama S.A. was established 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.
Tacapan Marine Panama S.A. was established in 1973. It was a type-C company mainly engaged in shipping. The company was dissolved in 1993.
Pennine Navigation Company S.A. was established in 1983. It was a type-C company mainly engaged in shipping as the owner of the vessel "Olympic Merit".
Plate Marine S.A. was established 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.
Portamar 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 Goal".
Obelisk Navigation S.A. was established in 1986. It was a type-C company mainly engaged in shipping as the owner of the vessel "Olympic Loyalty".
Milford Navigation Company Panama S.A. was established 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 Sangyong Corporation of Seoul.
Rossway Transportation Company was established in 1973. It was a type-C company mainly engaged in shipping.
Atol Compania Naviera S.A. was established in 1975. It was a type-A holding company and the main company of Christina Onassis Group, that owned the majority of the shares of the other companies of the group.
Evanston Panama S.A. was established in 1974. It was a type-D company mainly acting as intermediate agency. It belonged to United Investment Panama S.A. and after some years to Corvallis Navigation Panama S.A. 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.
Liberty S.A. was established in 1950. It was a type-C company mainly engaged in shipping.
Liberty Transportation Company was established in 1952. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Sky".
ASO Limited S.A. was established in 1954. It was a type-C company mainly engaged in tourism and refineries. ASO Limited S.A. was used to reinforce OMEGA's Industrial Investments liquidity.
Socrates Maritima S.A. was established in 1955. It was a type-C company mainly engaged in shipping. The company was dissolved in 1983.
Rex Maritime S.A. was established 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.
West Shipping Corporation Panama S.A. was established in 1956. It was a type-C company mainly engaged in shipping and the owner of the vessel "Olympic Champion". After 1975 ASO Naviera Panama S.A was the sole shareholder of the company. The company was dissolved in 1983.
Barbados Marine S.A. was established in 1957. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Light". After 1975 Cramer Panama S.A. was the sole shareholder of the company. The company dissolved in 1982.
Rosedale Navigation Company S.A. was established 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.
Corona Navigation Company Panama S.A. was established in 1968. It was a type-B (and type-C) company acting as intermediate holding company.
Misiones S.A. was established 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.
Northampton Panama S.A. was established 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.
East Argolikos Investment Company Limited was established in 1965. It was a type-C company, mainly 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.
Irwin Panama S.A. was formed in 1969. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Anthem
Lucerne Navigation Company Panama S.A. was formed in 1961. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Chivalry.
Medford Panama S.A., was formed in 1976. It was a type-B company, acting as an intermediate holding company, mainly engaged in cash management. In 1990 the company belongs to Atol Group.
Moncton Marine Panama S.A. was formed in 1980. It was a type-C company mainly engaged in real estate.