Below is a list of Aluminum Grating manufacturers from Niles, Ohio. Aluminum grating is a frame made using alloyed aluminum bars, sheets and meshes that create a porous grid to be used for a variety of industrial, commercial and domestic purposes. For drainage, support, filtration, partition and enclosure formation, gratings are employed in many different environments and may be constructed of a number of different materials such as stainless steel, iron and brass.