The Privatization Agency will sell at the privatization segment of the Bulgarian Stock Exchange residual packages of nine companies, the PA announced. The companies are: Rila – Borovetz (13.89%), glass factory Drujba AD in Plovdiv city (1.91%), Black Sea resort Riviera AD – Varna (0.95%), Heavy Machine Building AD – Radomir (11.65%), Biovet AD – Peshtera (5.68%), Grand Hotel Varna AD –Varna (7.96%), Industrial Enterprise Kauchuk AD – Pazardjik (17.48%), Sunny Day resort (20%), Sopharma AD – Sofia (2.56%).