Steel Plate Fabricators Inc., a subsidiary of Knoxville Sheet Metal Works Inc., specializes in certified welding and metal fabrication. It offers components for in-plant installation or jobs in conjunction with erection contractors. Since 1949, the company has been serving local and national customers from its Knoxville location. Steel Plate Fabricators Inc. provides services to various industries, including aircraft, medical, entertainment, electronics, environmental, architectural, semi-conductor, pharmaceutical, transportation and construction and many more. The Tennessee-based company produces small machine parts to 30-foot long, 15,000-lb. bag house components.