- A wholly owned subsidiary of Nippon Chemi-Con, United Chemi-Con (UCC) is North America's largest manufacturer and supplier of aluminum electrolytic capacitors. Established in the United States in 1970, United Chemi-Con distributes more than 8,000 products, including products manufactured both domestically in Lansing, North Carolina, and at other worldwide plants. Because quality customer service is one of United Chemi-Con's highest priorities, we offer complete engineering and sales support at our corporate headquarters in Rosemont, Illinois, as well as sales, service and field engineering support at other sites throughout the country. UCC products are warehoused in Brea, California and Lansing, North Carolina, ensuring fast and efficient delivery of your orders.