Profile: The Cast Iron Co., Ltd. is a supplier of traditional street furniture, lighting, and architectural metalwork. We offer design, manufacture, and installation services. We supply bollards, railings, tree grilles and guards, bench seating, cycle stands, signage, and litter bins in cast iron, stainless steel, steel & molded polyurethane. Our tree protection systems prevent accidental damage by pedestrians, vehicles and bicycles, and vandalism. Our tree grilles protect root systems from damage due to soil compaction, allow natural water irrigation and add an architectural element to paved areas and paths.