JSC (OAO) "Mezon Plant" manufactures electronic components since 1951. In 1969 it was made a part of research and production enterprise "Positron". Company produces different types of electrolitic capacitors - tantalum capacitors, composite dielectric pulse capacitors. OAO "Mezon Plant" presents a new line of nickel-metal hydride (Ni-MH) accumulators and batteries (types "NLC" and "NMHC") at the russian market.
Company took part in producing components for such space programs as "Soyuz-Apollo", "Fobos".
Now main products of the factory are tantalum capacitors K53, composite dielectric capacitors K75, thermofuses, NiMH accumulators.