Branches: Mining of metal ores Manufacture of chemicals and chemical products Manufacture of basic metals Manufacture of machinery and equipment n.e.c. Manufacture of office machinery and computers Manufacture of electrical machinery and apparatus n.e.c. Manufacture of medical, precision and optical instruments, watches and clocks Computer and related activities

Mining of metal ores  Asarel-Medet (Panagyurishte ) Manufacture of chemicals and chemical products  Lavender (Stara Zagora ) Manufacture of basic metals  Tchugunoleene (Ihtiman ) Manufacture of machinery and equipment n.e.c.  Brist-HM (Breznik )  Inhom (Varna ) Manufacture of office machinery and computers  Magnetic Head Technologies(Bulgaria) (Razlog ) Manufacture of electrical machinery and apparatus n.e.c.  Monbat (Accumicar Montana) (Montana ) Manufacture of medical, precision and optical instruments, watches and clocks  Belassitsa (Petrich ) Computer and related activities  Netage (Sofia )