D-Line USA, based in Louisville Kentucky, have a global reputation for innovative cable management products 'for use where time, safety and appearance matter'. In 2004 D-Line patented the world's fastest non-metallic cable management raceway, in subtle shapes to blend with modern decor. These iconic D-shaped ½-round & ¼-round profiles are now popular in 25+ countries. As often said 'the finishing touch of a D-Line installation creates a lasting impression'; preferred by designers, installers and clients.