Dupray Steam Cleaners Dupray offers a complete range of high-quality steam cleaners for home, commercial and industrial uses. Providing an innovative and efficient approach to cleaning that protects both people and the environment, Dupray is known as the North American leader in specialized steam cleaning systems. Dupray's fast growth is attributed to the exceptional quality of their products, capable of turning regular tap water into a powerful cleaning, degreasing and disinfection tool.