Sofia
English translation is in progress or not avaiable.
Plovdiv
English translation is in progress or not avaiable.
Varna
English translation is in progress or not avaiable.
Ezerovo (Region Varna)
English translation is in progress or not avaiable.
Yambol
is established in 1997. It develops in two main fields – production and trade with thermo insulating materials used in construction and energy branch.
Sliven
English translation is in progress or not avaiable.