ООО "Горизонт-М" - company credited as a manufacturer on some Russian pirate CDs. Claims to be working under license Лицензия ВАФ № 48-568 от 27.06.03.
Most possibly this is a fictional company with a fake address.
305001 Россия, г. Нижний Новгород, ул. Солдатова, дом 6.
