Teledyne Portland Forge, 400 Corporate Dr, Lebanon, KY 40033, US

Founded in 1932, Modern Welding Company is a family-owned business that has nine steel tank and vessel fabrication subsidiaries located throughout the United States. Additionally, it has welding supply stores in Kentucky and Indiana. It is one of the largest suppliers of Underwriters Laboratories-certified underground and aboveground steel storage tanks used for flammable and combustible liquids. The company also manufactures chemical storage tanks, the American Society of Mechanical Engineers-certified pressure vessels and structural steel fabrication products. Modern Welding Company has R stamp certification to perform repairs and alterations to boilers and pressure vessels as issued by the National Board of Boiler and Pressure Vessel Inspectors. The company is located in Elizabethtown, Ky.