CMC Howell Metal is a manufacturer of copper coils and line sets. The company manufactures a variety of straight lengths, as well. Its products are provided through a network of vendors, as well as through the retail market. CMC Howell Metal is a subsidiary of Commercial Metals Company. Commercial Metals Company and its subsidiaries manufacture, recycle and market steel and metal products and related materials. The company s network of manufacturers includes mini-mills, steel fabrication and processing plants, construction-related product warehouses, copper tube mills and metal recycling facilities. The company also maintains marketing and distribution offices. Commercial Metals Company is headquartered in Iving, Texas. Its subsidiary companies are located throughout the United States. CMC Howell Metal is headquartered in New Market, Va.