Industrial Electric Mfg. (IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S. For over 75 years, IEM has delivered customer-specific solutions to meet the ever changing power requirements of growth industries in North America. At IEM, tradition and technology still drive innovation. An experienced engineering staff and one of the most flexible design and manufacturing systems in the industry set IEM apart from standard product manufacturers.