The group's principal activity is to manufacture copper electrical building wire and non-metallic cable. The group supplies residential wire for interior electrical wiring in homes, apartments and manufactured housing. It also provides building wire for electrical distribution in commercial and industrial buildings. The residential wire product consists of non-metallic cable and underground feeder cable and commercial wire product consists of thhn cable. The products are sold through approximately 30 manufacturers representatives located throughout the United States and to a lesser extent through the group's own direct in-house marketing efforts. The customers of the group are wholesale electrical distributors and retail home improvement centers.