LIST OF REGULAR CUSTOMERS | |
| 1. Bets of the limestone industry "TRZUSKAWICA" | |
| 2. SAINT-GOBAIN ISOVER Poland Sp. z o.o. | List referencyjny |
| 3. ZĘBIEC | List referencyjny |
| 4. PILKINGTON POLSKA Sp. z o.o. | List referencyjny |
| 5. Steelworks of economic glass "ZĄBKOWICE" | |
| 6. FOSROC KSANTE POLAND Sp. z o.o. | List referencyjny |