Vinderen Sp. z o.o., formerly Unlimit Sp. z o.o., has been on the market since 2003 and represents solely Polish capital.
 
Vinderen Sp. z o.o. is the owner of the following brands:
 
CERAMSTIC - manufacturing, import and sales of floor and wall coverings.
ROTBERG - manufacturing of innovative construction chemistry materials
 
as well as Vinderen Proeco and Vinderen Mikspol.