About Us The Fire Bricks Supply Co. is one of the most reliable manufacturers, traders and suppliers of Insulation Bricks Tiles, Refractory Castables, Mortar Mix, Fused Magnesite Bricks, Silica Bricks Mortars, Mulite Zirconia Bricks and Sillimanite Bricks, Tiles Blocks are made from finest quality material in accordance with industry laid norms at the premise of our vendors.