German Tanker Shipping
www.german-tanker.de 
Founded by Emil Hartmann in 1998 with tankers from Carl Büttner which had been jointly owned by Hartmann until 1997.
Seaturbot
2000
Founded by Emil Hartmann in 1998 with tankers from Carl Büttner which had been jointly owned by Hartmann until 1997.
Seaturbot