October 1964 Established Taguma Kogyo Industries, Ltd. with a capital of 1.5 million yen. Keiichi Tanaka became CEO and Representative Director.
May 1972 Capital increased to 3 million yen.
December 1972 Construction industry. Obtained license from Yamaguchi prefectural governor.
June 1977 Capital increased to 6 million yen.
June 1978 Capital increased to 9 million yen.
June 1979 Capital increased to 12 million yen.
November 1980 Head office new building was completed.
September 1983 Obtained license for construction industry from Ministry of Construction.
December 1984 Hiroshima sales office was opened.
June 1986 Capital increased to 15 million yen.
April 1987 Corporate restructuring in Hiroshima and Shimane branch.
April 1987 Capital increased to 21 million yen.
June 1989 Capital increased to 25 million yen.

July 1993 Capital increased to 27 million yen.
July 1994 Capital increased to 30 million yen.
October 1996 Fukuoka sales office was opened.
May 1998 Keiichi Tanaka took office as Chairman and Representative Director.
May 1998 Minoru Tanaka assumed the position as CEO and Representative Director.
April 2011 Fukuoka branch (Distribution division head office) was established.