Metropolitan Ceramics, the leading US manufacturer of unglazed ceramic quarry tile has recently been awarded a renewal for Green Squared Certification. Green Squared is a third party multi attribute certification designed specifically to promote the green aspects of ceramic tile. Companies that meet the stringent certification have to show exceptional conformance in a number of key areas from manufacturing to corporate governance. Metropolitan Ceramics was one of the first tile lines to be awarded this certification three years ago and have now once again met the criteria for renewal. For more information on Metropolitan Ceramics Green Squared compliance follow this link.