FSEG is the Parent of a group of metal casting companies - Antislip Antiwear Treads International Limited (AATi) and FSE Foundry Limited. FSE Foundry is a commercial foundry, producing optimum quality sand castings at realistic prices, in a wide range of metals, utilising years of knowledge and experience in the casting world.AATi is the company which provides cast metal stair nosings to give pedestrians a safe antislip surface to walk on, one of our main specialised areas being the London Underground.