Based in Coeur D Alene, Idaho, has been in the electrical construction business for over 40 years. It is involved in commercial and industrial electrical construction as well as highway lighting, signalization, inside and outside plant data cabling, and overhead and underground high voltage distribution work. The company undertakes data and fiber optic, high voltage and residential work. Thorco Inc. also performs pipe and cable plowing, directional boring, traffic signals, etc. It owns over 50 pieces of rolling stock. The company works on commercial and industrial projects, such as Post Falls High School, Several Wal-Mart Stores, The Coeur dAlene Resort, Several Shopko Stores and Stimpson Lumber Atlas Plant Sorting Facility among others. Its members include North Idaho Building Contractors Association Inc. and Associated Builders and Contractors Inc.