Isthmian Steamship Company
The company was founded by US Steel in 1910.

International Navigation Company

The company was based in Philadelphia

International Mercantile Marine Co.
The company is know for being the owner of Titanic.

Grinnell, Minturn & Co

This company is widely renowned as the owner of the Flying Could - the greatest clipper ship ever created.

Crenshaw Company
The aim of the Crenshaw Company was running blockades during the American Civil War.