STT was the largest and most important shipbuilder in the Austrian Empire and its successor state, the Austro-Hungarian Empire. The company built most of the Austro-Hungarian Navy's capital ships, as well as many merchant vessels. In the 1860s and 1870s, STT built five of the Austro-Hungarian Navy's seven centre-battery ships (a forerunner of the battleship), as well as a number of ironclads, cruisers, frigates and corvettes. Between 1884 and 1914, the company built 13 of the Austro-Hungarian Navy's 16 battleships, including all three battleships of the , all three of the , and three of the four . It also built the three coastal defence battleships of the .