Steel Dreadnought Games is the publisher of the Naval Thunder line of naval miniatures games. The Naval Thunder line is intended for miniatures between 1/1800 and 1/6000 scale
SDG's first release, Naval Thunder: Clash of Dreadnoughts covers naval combat for the period of 1906 - 1918 and was published in 2009.
The company has announced plans for several supplements as well as a sister rule set Naval Thunder: Battleship Row, which will cover World War II naval Combat.
Their website can be found at www.navalthunder.com