It was separated in 1989 into two divisions; SGP-VA Energie- und Umwelttechnik for power systems and SGP Verkehrstechnik for rail vehicles.

[1] After World War II the company was majority owned by the state and had a wide network of international offices and subsidiaries in Asia, South America and Europe with several thousand employees.

The focus was on energy technology for the construction of turbines and boilers to complete power plants and transportation technology for the construction of diesel engines, carriages and locomotives for the ÖBB, as well as vehicles for the Vienna and Graz transport systems (trams, metro ("Silver Arrow" and "V-wagon"), trains).

[3] The first prototype flew for the first time on 15 May 1959[3] but was lost in a fatal crash during single engine tests on 2 August 1959.

[6] The fourth aircraft, now renamed the "Simmering-Graz-Pauker SGP.222" was intended as a production prototype and demonstrator and appeared at the 1964 Hamburg show, though it turned out to be the last of the line.