Royal Mail Steam Packet Company was created in 1932.
Drogheda Steam Packet Company was created in 1826.
Dundalk Steam Packet Company was created in 1837.
Alderney Steam Packet Company was created in 1897.
Baltimore Steam Packet Company was created in 1840.
Caledonian Steam Packet Company was created in 1923.
Isle of Man Steam Packet Company was created in 1830.
Drogheda Steam Packet Company ended in 1902.
Dundalk Steam Packet Company ended in 1870.
Alderney Steam Packet Company ended in 1931.
Caledonian Steam Packet Company ended in 1973.
The RMS Rhone was a British packet ship owned by the Royal Mail Steam Packet Company. She was wrecked off the coast of Salt Island in the British Virgin Islands on 29 October 1867 during a hurricane.
Queensland Steam Shipping Company was created in 1885.