Established on the 14th day of September 1994, Ultra Petronne Interior Supply Corp., Formerly known as Petronne Trading, started as a retailer of gypsum boards, acoustic boards, tee runners, studs and tracks, channels, and accessories, providing sales and services to local industries and business. In year 2009 as one of the largest manufacturer of light and metal frames, Petronne started to expand its prodict to provide the high demand on metal doors and shutters in the country. STAHL uses the best materials with special coating for steel doors and frames to ensure the quality of our product.