Foundation
Hideo Osawa founded OSG Grinding Co., Ltd in Tokyo and started manufacturing and selling taps and rolling mills.
Thread Gauges
Started manufacturing and selling thread gauges.
Laminating rolls
Started manufacturing and selling laminating rolls.
OSG Corporation
OSG Corporation was founded as the sole supplier of OSG products in Japan.
USA
OSG Tap and Die, Inc. was founded. in Chicago, USA which was later renamed OSG USA,Inc.
Taiwan
OSG Taiho Tool Mfg.Co.,Ltd was founded. in Taiwan.
Milling Cutters HSS
Started the manufacture of Milling Cutters in HSS.
Foundation OSG Precision Tools Ltda. in Brazil
OSG Precision Tools Ltda. in Brazil which later became OSG Sulamericana de Tools in 2009.
Carbide Milling Cutters
Started manufacturing carbide milling cutters.
Drills
Started manufacturing and selling Drills.
Korea
OSG Korea Corporation was founded.
Canada
OSG Canada Ltd was founded.
OSG unification
The OSG MFG. Company and OSG Corporation merged as OSG Corporation.
Asia
OSG Asia Pte. Ltd. in singapore.
Mexico
OSG Royco was founded in Mexico.
Thailand
OSG Thai Co., Ltd. was founded in Thailand.
Belgium
OSG Europe Logistics S.A. was founded in Belgium.
France
OSG France s.a.r.l. was founded in France.
England
OSG UK Limited was founded in England.
Scandinavia
OSG Scandinavia A/S was founded in Denmark.
China
OSG (Shanghai) Co., Ltd. was founded in Shanghai.
Spain
OSG Tooling Iberica was founded in Spain. (renamed OSG Comaher S.L. in 2009).
Germany
OSG GmbH was founded in Germany.
Italy
OSG Italia S.R.L. was founded in Italy.
India
OSG (India) Pvt, Ltd. was founded in India.
Indonesia
PT was founded. OSG Indonesia.
Vietnam
OSG Vietnam Co., Ltd was founded.
Nederland
OSG Mac World Nederland B.V. was founded. (renamed OSG Nederland B.V.)
Philippines
OSG Philippines Corporation was founded in the Philippines.
Turkey
OSG Turkey Kesici Takımlar Sanayi ve Ticaret A.Ş. was founded in Turkey.
Poland
OSG Poland Sp was founded. z.o.o., in Poland.
Romania
Romsan International Company S.R.L. was founded. in Romania.
Russia
OSG Ltd. was founded in Russia.