NIPPON DENSETSU KOGYO CO., LTD. is a Japan-based company engaged in railway electrical business, general electrical business, as well as information and communication business. The Company is mainly engaged in the contract, plan, design, calculation and supervision of electrical work, information and communication work. The Company is also engaged in the maintenance of electrical equipment, the production and sale of electrical equipment and materials, the rental, brokerage and management of real estate, the electrical equipment related education business and books publishing business, as well as information service business. The railway electrical work includes business related to railway lines, power generation and transformation, electric light power and signal work. General electrical work includes business about construction electrical work, air conditioning, as well as water supply and drainage. Information communication work includes mobile communication related business.
NIPPON DENSETSU KOGYO CO., LTD. 
