The largest business unit of Tyco Electrical & Metal Products, Allied Tube & Conduit, is comprised of many of Tyco s leading brands and companies. With 50 years of manufacturing quality products for numerous industries, Allied has proven itself a market leader in the mechanical tubing, fire sprinkler pipe, and electrical conduit markets. Recently expanding its offerings, Allied has introduced a new product to the steel market, Flo-Formâ„¢ in-line galvanized angles.