AGA Rangemaster Group plc is a British manufacturer of high-end kitchen appliances and cookery. Its flagship brand, AGA Rangemaster, is the manufacturer of the eponymous cast iron cooker and oven, the AGA Cooker. AGA also manufactures Rayburn and Rangemaster stoves along with other premium kitchen equipment and cookware as well as commercial catering equipment. And estimated 70% of French bakeries own equipment manufactured by AGA. The brand has been around since 1939 and is still going strong.