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Mayerton Refractories Group

Mining

Sheffield Refractories Limited

Glass, Ceramics and Concrete Manufacturing

Sheffield, South Yorkshire

Reno Refractories

Glass, Ceramics and Concrete Manufacturing

Morris, Alabama

United Refractory Services

Clay and Refractory Products Manufacturing

Kolkata, West Bengal

Special Shapes Refractory Co

Glass, Ceramics and Concrete Manufacturing

Bessemer, Alabama

Monocon International Refractories Limited

Mining

Doncaster, South Yorkshire

Refractory Engineers, Inc.

Glass, Ceramics and Concrete Manufacturing

Indianapolis, Indiana

United Refractories Co.

Glass, Ceramics and Concrete Manufacturing

McMurray, Pennsylvania

Mathios Refractories

Wholesale Building Materials

Ag. I. Rentis, Athens

Vesuvius

Manufacturing

London, England