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 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.
Hazelton Navigation Company Panama S.A. was formed in 1968. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Aspiration. The vessel sold in 1986 to China Resourses Metals and Minerals Company, Limited. 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
Hearne Marine Panama S.A. was established in 1970. It was a type-C company mainly engaged in shipping. In 1990 the company belonged to ASO Group.
Helmsdale Shipping Company Panama S.A. was established n 1967. It was a type -C company, engaged mainly in banking. Owned the Banque de Depots (80% ownership), which was resolved in 1980. Its parent company was Sociedad Armadora Aristotelis Panama S.A. (in 1970) and Sandiland Marine Panama S.A. (after 1975). ASO owns 50% shares and the other 50% belongs to Atol.
Henley Finance Corporation was formed in 1976. It was a type-B company mainly acting as intermediate holding company. It belonged to Sandiland Marine 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.
Holky Investors Inc was formed in 1985. It was a type-C company, engaged in shipping. It owns the second floor of a building located at 88 Avenue Foch, in Paris.
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.