Holsim Karierni Materials Plovdiv AD
TEC Bobov dol EAD
Raev Group LTD
Brikel EAD – Galabovo
TEC ” Maritsa 3″ AD – Dimitrovgrad
Highway ” Cherno more” AD – Shumen
Burgaspatstroy AD – Burgas
Toplofikaciya Sliven EAD
Terem KRZ Flotski arsenal – Varna LTD
Vulcan Ciment AD – Dimitrovgrad
SK 13 Patstroy AD – Pernik
Kaolin AD – Senovo
Sima-MA LTD – Cherven bryag
Patishta i mostove LTD – Varna
Promishlena energetika AD – Varna
Eldom invest OOD – Varna
Karnes LTD – Ruse
Beton service Sofia LTD
Beton service Plovdiv LTD
Beton service Varna LTD