Below is a list of Copper Strip manufacturers from Hauppauge, New York. Copper strips are long, thin planes of the popular non-ferrous metal known as copper. Also known as trim, strips are used in many industrial, commercial and residential settings to change the aesthetic or functional properties of a structure, piece of equipment or finished product. Sections of copper strip are usually no thicker than 0.2" and the thickness should be uniform throughout the plane.