Palmas Transportation Company was formed in 1953. It was a type-C company, mainly engaged in shipping and owner of the vessels Olympic Torch and Tina Onassis.
Panamerican Marine Corporation was formed 1951. It was a type-D (aunt) company mainly engaged in chartering as intermediary representative.
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
Pembroke Investment Panama S.A. was formed in 1979. It was a type-D company acting as intermediate agency and mainly engaged in cash management. It belonged to Henley Finance Corporation. 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.
Pennine Navigation Company S.A. was formed in 1983. It was a type-C company mainly engaged in shipping as the owner of the vessel Olympic Merit.
This company was created in 1948. It is a type-C company, mainly engaged in shipping.
Phoenix Shipping Company Panama S.A. was formed in 1976. It was a type-B company mainly acting as intermediate holding company, engaged in real estate owning companies. It belonged to Pinelands Marine Panama S.A.. It owned the estate "Le Jardin des Hesperides". 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.
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
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.
Plate Marine S.A. was formed 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.
. The company was dissolved in 2006.
Portamar Navigation Company Panama S.A. was formed in 1963. It was a type-C company mainly engaged in shipping and owner of the vessel Olympic Goal.
Portland Maritime Panama S.A. was formed in 1976. It was a type-C company mainly engaged in shipping and acting as vessel owning company. It belonged to Dorset Shipping and Trading Corporation (1977) and after to Windsor Trading Corporation (1998). It owned the vessels Olympic Sea, (ex Texaco Europe), which was sold for demolition in 1979, and Olympic Phoenix, which was sold in 1992. 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 2005.
Primrose Shipping Company S.A. was formed in 1956. It was a type-C company mainly engaged in shipping and tourism. It was also the owner of the vessel Olympic Valour. 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.
She was the younger sister of former First Lady Jacqueline Bouvier Kennedy Onassis and sister-in-law of President John F. Kennedy.
Rainbow Shipping Company Panama S.A. was formed in 1961. It was a type-C company mainly engaged in shipping.