CUMI was founded in 1954 as a tripartite collaboration between the Murugappa Group, The Carborundum Co., USA and the Universal Grinding Wheel Co. Ltd.,U.K.

CUMI Super Refractories a market leader in the manufacture of specialty refractory products in India since 1965 with technical know-how from Carborundum USA. The division specializes in the manufacture of both fired and monolithic ranges of refractories catering to the critical and demanding high temperature applications for various industrial applications. Primary product lines in the Fired range include Silicon Carbide, Nitride Bonded Silicon Carbide, Mullite, and Zircon- Mullite, High Alumina, and Insulating fire bricks. The primary product lines in the monolithic range include the Conventional Castables, Low Cement Castables, Insulation Castables, Self-flow Castables, Gunning Materials, Ramming Masses and Laying Mortars.