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One hundred years of O&K

O&K has evolved over the years, from a company making nails and then iron wire to one that makes cold heading steel wire.
No matter how the times change, manufacturing wire and the passion of our staff have remained the same.
We continue forging ahead in order to further enrich people’s everyday lives.

1925 Kaneo Oku founds a business selling iron wire and nails at 9 Unagidani Higashino-cho, Minami-ku, Osaka
1945 Begins manufacturing wire nails, special nails, and wire at 12-25 Higashiyama-cho, Higashiosaka
1949 Changes structure from private management to incorporated status. Okukane Tessen Co., Ltd. begins manufacturing iron wire to screw specifications. Capital of ¥3.0 million.
1965 Takao Oku succeeds as president.
1972 Merges with Kawakin Kogyo Co., Ltd., and changes trade name to O&K Company Limited. (Capital: ¥38.0 million)
1974 O&K Sales, Inc. is founded as a fully-owned subsidiary of O&K Company Limited (Capital: ¥10.0 million)
1979 Founds a plant in Kanaoka Tobishima-mura, Ama-gun, Aichi; operations begin at the Nagoya Plant.
1980 Establishes O&K Steel (USA), Inc. in Illinois, USA for market research and to streamline exports. In addition, production facilities are installed and production commences in the USA.
1981 Acquires 52% of Settsu Tessenn Co., Ltd. (2-8-81 Nakajima, Nishiyodogawa-ku, Osaka; Capital: ¥80.0 million) shares from ITOCHU Corporation and becomes involved in management, changing the trade name to O&K Steel, Co., Ltd. and operating at the O&K Osaka Plant in Apr. 1982.
1982 Increases capital to ¥50.0 million.
1985 Acquires all shares from Wire Sales Company, a local wire manufacturer in Illinois, USA.
1991 Transfers administrative functions to the office at the Osaka Plant, making this the business headquarters.
1993 Founds a plant in Yabuzuka Honmachi, Nitta-gun, Gunma; operations begin at the Gunma Plant.
1996 The entire company obtains ISO 9002 (Certification No. JQA-1250) certification.
1997 O&K Osaka Test Center obtains ISO/IEC 17025 (Certification No. 200166-0) certification, the first company in Japan to do so.
1997 Kobe CH Wire (Thailand) Co., Ltd. is founded jointly in Thailand (Capital participation: 11%).
2000 The entire company obtains ISO 14001 (Certification No. JQA-EM0555) certification.
2001 The Western Division obtains QS-9000 (Certification number: JQA-QS0150) certification.
2002 Capital participation in Kobe CH Wire (Thailand) Co., Ltd. increases to 25% through share acquisition.
2002 Establishes OKUKANE Corporation for the purpose of making the technical development and assistance department an independent entity.
2003 Certification changes from ISO 9002 to ISO 9001:2000.
2004 The entire company obtains ISO/TS 16949 (Certification No. JQA-AU0061) certification.
2005 O&K American Corp. obtains ISO/TS 16949:2002 (Certification No. OY801-TSI) certification.
2007 Obtains Authorized Exporter (Accreditation No. E4070002) accreditation.
2007 Purchases all O&K Steel Co., Ltd. shares, making it a fully-owned subsidiary.
2008 Kazuta Oku is promoted to President; Former President Takao Oku is promoted to Board Chairman and CEO.
2010 Merges O&K Steel Co., Ltd.
2010 O&K American Corp. establishes its 2nd plant in Seymour, Indiana, USA.
2013 O&K Osaka Test Center accredited under ISO/IEC 17025 (Accreditation No. RTL03650) by JAB.
2018 The entire company obtains IATF 16949 (Certification No. JQA-AU0061) certification.