Profile: Plastics W Graham Ltd. is a provider of safety products. We are an ISO 9001 certified company. Our products include barriers, cones, bins, mirrors, T card holder, muster boards, lockout tools, security badges, custum tapes, and tags. Our tritium illuminated signs are lit by a cold source of energy. They have no wiring, battery, or switches. They have a useful life of up to 25 years, and require no maintenance for that period. They are intrinsically safe in hazardous conditions. They have been in use for many years offshore and underwater, as well as in schools, cinemas, apartment blocks, and with the Armed Forces and many rigorous conditions. We also offer fabrication and CNC machining service.