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Corporate profile
Company name SEIKO SANGYO Co.,Ltd.
Date of Establishment July 31, 1941
Capital 70 million yen
President Haruo Kosuge
Number of employees 64 (June 2020)
Annual Sales amount Approx. 8.02 billion yen (June 2020 period)
Location of Head Office 9-9 Hisamatsu-cho, Nihonbashi, Chuo-ku, Tokyo 103-0005, Japan
Phone number ＋81(3)-5640-9808   ＋81(3)-5640-9810
URL http://www.seikosangyo.com
Main banks

Mizuho Bank,Ltd.
Bank of Mitsubishi-Tokyo UFJ,Ltd.
Sumitomo Mitsui Banking Corporation

Corporate history
1941 July 31st, SEIKO SHOJI Co.,Ltd(Capitalized at 50,000yen) established at 5-1, Kobiki-cho, Kyobashi-ku, Tokyo-city, started to deliver products of Kobe Seitetsujo Co.,Ltd as its distributor to governmental organizations and companies.
1943 March 20th, the capital increased to 150,000 yen.
1944 August 15th, the corporate name changed to SEIKO SANGYO Co.,Ltd.
1951 April 1st, Niigata local office opened.
1953 October 1st, merged Seiko Kizai Co.,Ltd
1965 September 1st, Yokohama sales office (Kanagawa prefecture) opened.
1965 November 1st, Yoshiwara sales office (Shizuoka prefecture) opened.
1969 October 1st, Tochigi sales office (Tochigi prefecture) opened.
1971 October 21st, the capital increased to 30,000,000 yen.
1975 February 1st, Kyushu sales office (Fukuoka prefecture) opened.
1979 July 1st, the capital increased to 50,000,000 yen.
1992 March 23rd, the head office moved to 4-9 Kodenma-cho, Nihonbashi, Chuo-ku, Tokyo.
1992 April 1st, the name of Yoshiwara sales office changed to Fuji sales office.
1993 July 1st, Niigata local office became Niigata sales office.
1994 March 22nd, the head office moved to 9-9 Hisamatsu-cho, Nihonbashi, Chuo-ku, Tokyo.
1999 July 1st, the capital increased to 70,000,000 yen.
2000 July 1st, acquired Nonaka Kinzoku Co.,Ltd.
2005 March 1st, Koriyama office (Fukushima prefecture)opened.
2005 October 1st, Kisogawa Sangyo Co.,Ltd, became a subsidiary company of SEIKO SANGYO Co.,Ltd
2008 July 1st, acquired Mitsuba Denko Co.,Ltd
2009 March 1st, Saitama sales office (Saitama Prefecture) opened.
2009 December 21st, the name of Koriyama office changed to Koriyama sales office.
2012 July 10th, established PT.KISO-SEIKO INDONESIA in Jakarta.
(Seiko Sangyo Co,Ltd. 90%,Marubeni-Itochu Steel Inc. 5%, Kisogawa Sangyo Co.Ltd. 5%)