Johnson Electric Coil Company

Johnson Electric Coil Company, based in Antigo, Wisconsin, has been a dedicated provider of custom transformers and inductors since 1934. The company's extensive capabilities include complete custom design, engineering, and manufacturing services, focusing on efficiency and value in every product. Their offerings span isolation transformers, autotransformers, inductors, and chokes, tailored to meet specific requirements such as electrical performance, size, and weight. With a strong emphasis on Lean Manufacturing and 5S principles, the company ensures quality and regulatory compliance with US and international standards such as UL, CSA, and CE. They also provide robust support in areas like RoHS, REACH, and conflict minerals compliance. Despite primarily serving the US market, their products are integral components in global OEM equipment, demonstrating their commitment to customer satisfaction through customized service solutions such as scheduling, packaging, and shipping.