May 1954 Nippon Denwa Shisetsu Co., Ltd. was established with a capitalization of 15 million yen.
October 1963 Listed on the 2nd Section of the Nagoya Stock Exchange.
April 1973 Listed on the 1st Section of the Nagoya Stock Exchange.
February 1991 Certified as a comprehensive contractor for NTT's communications facilities.
April 1992 Began making consolidated financial statements.
August 1993 Capitalization increased to 5,000 million yen.
April 1998 Merged with Nagoya Tsushin Building Co., Ltd.
October 1998 Acquired ISO9001 certification (Electrical Equipment Division).
April 1999 Listed on the 1st Section of the Tokyo Stock Exchange.
July 2000 Initiated group management system.
April 2001 Certified as a comprehensive contractor for NTT East and West communications facilities.
June 2001 Acquired ISO14001 environmental management system certification.
December 2002 Acquired OHSAS18001 occupational health and safety management system certification.
October 2004 Dissolved employees' pension insurance plan and reformed retirement benefits system.
January 2005 Acquired ISMS certification (Information Systems Division, IT Division).
October 2005 Spun off Information Systems Division as separate company (established NDS Information System Co., Ltd.).
June 2011 Bridge Motion Tomorrow Co., Ltd. became a consolidated subsidiary.
March 2012 Toyocom Systems Co., Ltd. (Current trade name: NDS.TS Co., Ltd.) became a wholly-owned subsidiary.
October 2012 Changed name to NDS Co., Ltd. (previous trade name: Nippon Denwa Shisetsu Co., Ltd.)
May 2014 Celebrated 60th anniversary of founding.

April 2018

Hamamatsu NDS Co., Ltd. will merge with Hamamatsu Tsushin Shisetsu Co., Ltd. as surviving company