S.C. EL-CO S.A. manufactures a range of ceramic fuses in Eastern Europe. It offers fuses, such as D-systems, D0-systems, HRC-systems, and custom design products; and lighting products, including ceramic and bakelite lamp holders, straight and oblique wall lamp holders and luminaires, halogen lamp holders, parts for halogen lamps, ceramic connectors, screw lamp holders, plastic and porcelain luminaires, and custom design products. The company also provides radiators comprising industrial heaters, and ceramic heating elements; and technical ceramics consisting of granulated body products, and components for domestic appliances and heating elements, as well as ceramic products, industrial ceramics, heating elements, low voltage fuses, lamp holders, ceramic tubes, mica insulators, and custom design products. In addition, it offers household ceramic based sockets, plugs, connectors, and switches. The company is based in Targu Secuiesc, Romania. S.C. EL-CO S.A. operates as a subsidiary of Delta Transformers, Inc.