Sierra Readymix (Pvt) Ltd (Estb 2005), a subsidiary of Sri Lankan Telecommunication and Civil engineering giant Sierra Construction (Estb 1981) has been a concrete provider in Sri-Lanka for over a decade, and like its predecessor Sierra Readymix in this short time has become a leader in Readymix concreting, not only boasting of un-paralleled superior strength concrete, but has done so by becoming easily the most decorated eco-friendly Readymix Concrete brand in the Island.