SP Refractories Limited is an Indian manufacturer and supplier of high-quality refractory materials, including refractory cement, castables, and monolithics. These materials are primarily used for lining furnaces and kilns in high-temperature industrial sectors such as steel, cement, glass, and foundries. The company offers products like high alumina refractory cement, alumina castables, and low cement castables. Headquartered in Nagpur, Maharashtra, India, the company was founded in 2007.