Balkonf JSC-town of Balchik,

Delfi Prim JSC-town of Dobrich,

Bulmat Ltd.-town of Dobrich,

Katina ST- town of Dobrich,

Nikos Hranengineering Ltd.- town of Dobrich,

Pticeklanica JSC.- town of Dobrich,

Foliart Ltd.- town of Dobrich,

Xella Bulgaria Ltd- town of Dobrich,

BMK Sekvoja Ltd.- town of Dobrich,

Plasthim-T JSC.- town of Varna,

Brjst JSC.- town of Dobrich,

Zaharni Izdelia-Varna Ltd.- town of Balchik,

Yazaki Bulgaria Ltd.- town of Yambol,

Hayat Bulgaria Chemical Ltd.- town of Varna,

Tucai Bulgaria Ltd.- village Aidemir, Municipality of Silistra

and others