The story
It was established in 1916 as an automobile repairs workshop, to repair vehicles damaged during World War I. After 1939 it became known as the "Plant No. 37 named after Sergo Ordzhonikidze". In the 1930s and 1940s, the plant built a number of light tanks, including the T-37A, T-38, T-40, T-60. It developed a number of radars from 1949 to 1959 in co-operation with the NII-20 Lianozovo Electromechanical Plant.
From Wikipedia’s article on NIIDAR, shared under CC BY-SA 4.0.4
