[1][2][3][4][5] In 1937 States Marine charted the SS Carrollton a 1903, 1,732 tons from, acquired by Saginaw Dock and Terminal Company of Cleveland, Ohio.

In 1941 States Marine Lines charted the SS Atlantic Trader, 1918, 2,241 tons, a cargo ship from Saginaw Dock and Terminal Company of Cleveland.

In 1941 States Marine Lines charted the SS Keystone, 1919, a 5,565 tons, cargo ship from Shepard Steamship Company of Boston, MA.

[8] On March 13, 1943, the SS Keystone sunk by U-172 after her engine failed in convoy UGS-6 from New York to North Africa.

About 90 percent of the cargo was moved by Merchant Marine Naval to the Korea War Zone.

[10][11][6] In 1954 States Marine took over management of Bloomfield Steamship Company in Houston, Texas, which was closed in 1969.

Built in 1958 at 13,559 tons, States Marine managed the ship for the U.S. Department of Commerce for one year.

[13] For the Vietnam War States Marine operated the charter for the SS Gainesville Victory.