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.
Rhone Investments Limited was formed in 1976. It was a type-B company mainly acting as intermediate holding company. It belonged to United Investment 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.
Richmond Marine Panama S.A. was established in 1963. It was a type-C company mainly engaged in shipping and owner of the vessel "Olympic Pioneer". After 1975 belonged to ASO Naviera Panama S.A. In 1984 the company sold the vessel "Olympic Pioneer". It was dissolved in 1993.
Rio Negro S.A. was formed in 1951 and dissolved in 1984
Risdon Maritime Panama S.A. was established in 1965. It was a type-C company mainly engaged in shipping.
Rivadavia 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 "Olympic Honour". 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.
Robisen Holding Inc. was a type C acted as an intermediate holding company.
Rosario Shipping and Trading S.A. was established in 1983. It was a type-B company mainly engaged in shipping as the owner of the vessel "Olympic Leader". The vessel was sold in 1991.
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.
Rossway Transportation Company was established in 1973. It was a type-C company mainly engaged in shipping.
Rosswell S.A. was established in 1980. It was a type-D company mainly acting as intermediate agency.
Salinas Financiera Comercial S.A. was established in 1957. It was a type-C company mainly engaged in shipbuilding.
Salvador Navigation Company Panama S.A. was formed in 1973. It was a type-G company acting as passive company.