Dmitriy Leonidovich Drandin

Ulan-Udenskoe Priborostroitelnoe Proizvodstv Obedinenie OAO engages in the production of instruments for the needs of Navy of the Russian Federation Ministry of Defense, and elements and units of aviation automation. Its products include tracking system blocks, power supply units, mechanical block transition, biphasic induction motors, motor-generators, synchro transformers, sine-cosine transformers, magnetic amplifiers, low frequency amplifiers, power servo system, inductive angle sensors, and other. The company was founded on October 17, 1959 and is headquartered in Ulan-Ude, Russia.

Pirometr OJSC engages in the manufacturing of parts and components for aircraft and spacecraft. Its products include navigation equipment and control systems, as well as non-military products. The company was founded on February 18, 1993 and is headquartered in St. Petersburg, Russia.