Tantal OAO (Tantal OJSC) is a Russia-based company involved in the manufacture of electrical equipment for military sector. Its activities comprise design and production of electronics and tool making. The Company's products include ultra-high frequency equipment, precision equipment and interferometric devices, mounting parts of radio electronics equipment and devices for communication equipment. Tantal OAO is also involved in the manufacture of high-precision metal cutting equipment, control and measuring equipment, as well as optical products and others. The Company sells its products domestically and abroad. Tantal OAO operates through more than 25 affilliated companies.