Sistema Public Joint Stock Financial Corporation, together with its subsidiaries, operates in the telecommunications, retail, high technology, finance, pulp and paper, utilities, pharmaceuticals, healthcare, agriculture, real estate, and tourism businesses. The company operates through Mobile TeleSystems, Segezha Group, Etalon Group, Medsi Group, Ozon Holdings, and Corporate segments. It provides mobile and fixed voice, broadband, internet access, pay TV, financial services, as well as content and entertainment services in Russia and Armenia; services for prevention, diagnosis, and treatment of diseases; rehabilitation services for children and adults; and e-commerce internet platforms. The company also involved in timber harvesting, wood processing, operations, and energy transmission services; and development, design, construction, service, and operation of residential real estate properties. Sistema Public Joint Stock Financial Corporation was founded in 1993 and is based in Moscow, Russia.