Deansteel Manufacturing Company is a privately owned family corporation. It has been a member of the Steel Door Institute since 1987. The company manufactures hollow metal doors and frames for architects and contractors throughout the United States. Deansteel Manufacturing Company is also a member of the Door and Hardware Institute, the National Association of Architectural Metal Manufacturers, the Construction Specifiers Institute and the American Society of Testing Materials. The company s products are utilized in schools, hospitals, hotels, factories, amusement parks, convention centers, office buildings and numerous other projects. Deansteel Manufacturing Company is located in San Antonio.