Arzamas Instrument-Making Plant named after P.I. Plandin (Арзамасский приборостроительный завод имени П.И. Пландина) is a company that designs and produces gyroscopic instruments, control systems, and medical equipment. Its products include water and gas meters, electric boilers, antistatic packaging, ozone therapy apparatus, pneumatic valves, etc. The company caters to the aviation, space, household, sports, and other industries.