BA Glass Bulgaria SA [2015]
DATRA Ltd. [2013]
Food Research and Development Institute Plovdiv [2001]
Gudex SA [2008]
Karnobatplod JSC [1999]
Philicon-97 S.A. [1999]
Sarten Bulgaria Ltd [2012]
UFT Plovdiv, Canning And Refrigeration Engineering Department [1999]
