Stabilimento Tecnico Triestino (STT) ("Technical Establishment of Trieste") was a private shipbuilding company based in Trieste from the mid-19th to early 20th century, and the most important naval shipbuilding firm of the Austro-Hungarian Empire.

SMS Viribus Unitis  was an Austro-Hungarian dreadnought battleship, the first of the Tegetthoff class. "Viribus Unitis", meaning "With United Forces", was the personal motto of Emperor Franz Joseph I.