Woodbury Shipping Company Panama S.A. was formed in 1968. It was a type-C company mainly engaged in industry and tourism. Along with Lewiston Shipping Panama and Upton Marine Panama they were the co-founders of Omega Petroleum Industry S.A., a company whose aim was the management of the state refinery and the marketing of its products.
Windsor Trading Corporation was formed in 1979. It was a type-C company mainly acting as intermediate holding company in the field of the vessel owing. It owned the vessel Olympic Fame. 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.
Westwind Shipping Panama S.A. was formed in 1985 (?). It was a type-C company mainly engaged in shipping as the owner of the vessel Calliroe Patronicola.
Westchester Corporation Limited was formed in 1964. It was a type-D company acting as intermediary representative.
West Shipping Corporation Panama S.A. was formed 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
Wenlock Panama S.A. was formed in 1971. It was a type-B company acting as intermediate holding company.
Wellington Shipping and Trading Co. Ltd. was formed in 1986. It was a type-B company mainly acting as intermediate holding company. It belonged to Pinelands 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.
Wedgeport Marine Panama S.A. was formed in 1970. It was a type-C company mainly engaged in shipping.
Watertow Transportation Company was formed in 1973. It was a type-G company acting as passive company
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.
Victoria Financiera Panama S.A. was formed in 1957 and it was a type-C company. In 1990 50% shares of the company belongs to A.S.O. Naviera Panama S.A. and the other 50% to Atol Compania Naviera S.A. Owned Olympic Airways, its parent company Denton Marine Panama S.A. The company was dissolved in 2006
Viamonte Sociedad Maritima Panama S.A. was formed in 1957. It was a type-C company mainly engaged in shipping and tourism. It was also the owner of the vessel Olympic Storm. 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.
Veragua Panama S.A. was formed in 1970. It was a type-C (and type-B) company mainly engaged in shipbuilding as a shareholder of Harland & Wolf Shipyards. 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.
Velosan Corp. was formed in 1986.
Upton Marine Panama S.A. was formed in 1968. It was a type-B company acting as intermediate holding company. Along with Lewiston Shipping Panama and Woodbury Shipping Panama they were the co-founders of Omega Petroleum Industry S.A., a company whose aim was the management of the state refinery and the marketing of its products.