North American Forgemasters (NAF) is a company that manufactures open-die forgings. Its products include sleeves and stepped hollows, forged blocks, custom forgings, disks and hubs, rings, shafts, bars, etc. The company also provides heat treatment, testing, machining, steelmaking, and other services. NAF caters to the nuclear, defense, heavy machinery, mining, infrastructure, oil and gas, shipbuilding, and power generation sectors.