| 1938-03 |
Started manufacturing and sales of taps and dies |
| 1938-03 |
Hideo Osawa established OSG Grinding Co., Ltd. in Tokyo and started the manufacturing and sales of taps and dies |
| 1938-03 |
Hideo Osawa established Osawa Screw Grinding Shop in Tokyo, starting manufacturing and sales of taps and dies. |
| 1942-05 |
|
| 1942-05 |
The company began manufacturing and selling screw gauges |
| 1942-05 |
Started manufacturing screw gauges. |
| 1942-05 |
Started the manufacturing and sales of screw gauges. |
| 1956-08 |
|
| 1956-08 |
The company started manufacturing and sales of rolling dies |
| 1956-08 |
Started manufacturing cold heading round dies. |
| 1956-08 |
Started the manufacturing and sales of rolling dies. |
| 1963-06 |
|
| 1963-06 |
The company changed its name to OSG MFG. Company |
| 1963-06 |
Changed company name to OSG Corporation. |
| 1963-06 |
Changed the company name to OSG MFG. Company. |
| 1963-12 |
|
| 1963-12 |
Established OSG Corporation as the sole agent for OSG products in Japan |
| 1963-12 |
Separated the sales division and established OSG Sales Corporation |
| 1964-12 |
|
| 1964-12 |
The company was listed on the 2nd Section of the Nagoya Stock Exchange |
| 1964-12 |
Listed on the Second Section of the Nagoya Stock Exchange |
| 1964-12 |
Stock listed on the 2nd Section of the Nagoya Stock Exchange. |
| 1968-02 |
Current OSG USA |
| 1968-02 |
Established OSG Tap and Die, Inc. in Chicago, U.S.A. (renamed OSG USA, Inc.) |
| 1968-02 |
Established OSG Tap and Die (USA) (now OSG USA) |
| 1968-02 |
Established OSG Tap and Die, Inc. in Chicago, U.S.A. (Renamed OSG USA, Inc.) |
| 1970-05 |
|
| 1970-05 |
Established Taiho Tool Mfg. Co., Ltd. in Taiwan |
| 1970-05 |
Established Taibo Precision Tools (Taiwan) |
| 1970-10 |
|
| 1970-10 |
Started manufacturing and sales of HSS End mills. |
| 1970-10 |
Started manufacturing high-end mills |
| 1970-10 |
Started the manufacturing and sales of HSS End mills. |
| 1974-11 |
Current OSG Sulamericana de Ferramentas |
| 1974-11 |
Established OSG Ferramentas de Precisão Ltda. in Brazil (renamed OSG Sulamericana de Ferramentas Ltda. in 2009). |
| 1974-11 |
Established OSG Ferramentas de Precisão (Brazil) (now OSG Sulamericana de Ferramentas) |
| 1974-11 |
Established OSG Ferramentas de Precisão Ltda. in Brazil. (Renamed OSG Sulamericana de Ferramentas Ltda. in 2009.) |
| 1980-09 |
|
| 1980-09 |
Started manufacturing and sales of carbide end mills. |
| 1980-09 |
Started manufacturing carbide end mills |
| 1980-09 |
Started the manufacturing and sales of carbide end mills. |
| 1981-06 |
|
| 1981-06 |
Stock listed on the 1st Section of the Tokyo and Nagoya Stock Exchanges. |
| 1981-06 |
Listed on the First Section of the Tokyo Stock Exchange and Nagoya Stock Exchange |
| 1984-03 |
|
| 1984-03 |
Started manufacturing and sales of drills. |
| 1984-03 |
Started manufacturing drills |
| 1984-03 |
Started the manufacturing and sales of drills. |
| 1985-10 |
|
| 1985-10 |
Established OSG Korea Corporation. |
| 1985-10 |
Established OSG Korea |
| 1988-01 |
|
| 1988-01 |
Established OSG Canada Ltd. |
| 1988-01 |
Established OSG Canada |
| 1990 |
|
| 1990 |
|
| 1990 |
No records of history from 1990 to 2009 |
| 1992-12 |
|
| 1992-12 |
Merged OSG MFG. Company and OSG Corporation into OSG Corporation. |
| 1992-12 |
OSG MFG. Company and OSG Corporation were merged into OSG Corporation. |
| 1993-08 |
|
| 1993-08 |
Established OSG Asia Pte. Ltd. in Singapore. |
| 1994-01 |
|
| 1994-01 |
Established OSG Royco, S.A. de C.V. in Mexico. |
| 1996-11 |
|
| 1996-11 |
Established OSG Thai Co., Ltd. |
| 1997-11 |
|
| 1997-11 |
|
| 1997-11 |
|
| 1997-11 |
Established OSG Europe S.A. as a holding company in Belgium, OSG Europe Logistics S.A., and OSG France s.a.r.l. |
| 1997-11 |
Established OSG Europe S.A. as a holding company in Belgium. |
| 1997-11 |
Established OSG Europe Logistics S.A. in Belgium. |
| 1997-11 |
Established OSG France s.a.r.l. |
| 1999-04 |
|
| 1999-04 |
Established OSG UK Limited. |
| 2000-05 |
|
| 2000-05 |
Established OSG Scandinavia A/S in Denmark. |
| 2001-07 |
|
| 2001-07 |
Established OSG (Shanghai) Co., Ltd. |
| 2002-07 |
Current OSG Iberica Tooling, S.L. |
| 2002-07 |
Established OSG Tooling Iberica, S.L. in Spain (renamed OSG Iberica Tooling, S.L.). |
| 2002-07 |
Established OSG Tooling Iberica, S.L. in Spain. (Renamed OSG Iberica Tooling, S.L.) |
| 2002-09 |
|
| 2002-09 |
Established OSG GmbH in Germany. |
| 2003-12 |
|
| 2003-12 |
Established OSG Italia S.R.L. in Italy. |
| 2005-07 |
|
| 2005-07 |
Established OSG (India) Pvt, Ltd. |
| 2007-11 |
|
| 2007-11 |
Established PT. OSG Indonesia. |
| 2008-10 |
現OSG Nederland |
| 2008-10 |
|
| 2008-10 |
Established OSG Vietnam Co., Ltd. and OSG Philippines Corporation. |
| 2008-10 |
Established OSG Vietnam Co., Ltd. |
| 2008-10 |
Established OSG Mac World Nederland B.V. (Renamed OSG Nederland B.V.) |
| 2008-11 |
|
| 2008-11 |
Established OSG Philippines Corporation. |
| 2010 |
|
| 2010 |
No records of history from 2010 onward |
| 2012-04 |
|
| 2012-04 |
Established OSG Turkey |
| 2012-04 |
Established OSG Turkey Kesici Takımlar Sanayi ve Ticaret A.Ş. |
| 2012-05 |
|
| 2012-05 |
Established OSG Poland |
| 2012-05 |
Established OSG Poland Sp. z.o.o. |
| 2012-08 |
Current OSG Romania SRL |
| 2012-08 |
Established Romsan International (Romania) (now OSG Romania SRL) |
| 2012-08 |
Established Romsan International Company S.R.L. in Romania. (Renamed OSG ROMANIA SRL) |
| 2015-09 |
Current NEXAM S.A.S |
| 2015-09 |
Acquired DESGRANGES HOLDING (France) (now NEXAM S.A.S) |
| 2015-09 |
Acquired DESGRANGES HOLDING (France) (now NEXAM S.A.S) |
| 2016-03 |
|
| 2016-03 |
Acquired Amamco Tool & Supply (USA) |
| 2016-03 |
Acquired Amamco Tool & Supply (U.S.A.) |
| 2016-11 |
|
| 2016-11 |
Acquired Somta Tools (South Africa) |
| 2016-11 |
Acquired Somta Tools (South Africa) |
| 2019-12 |
|
| 2019-12 |
Acquired OSG BASS Holding GmbH (Germany) |
| 2019-12 |
Acquired OSG BASS Holding GmbH (Germany) |
| 2024-07 |
|
| 2024-07 |
Acquired Contour Fine Tooling B.V. in Netherlands. |
| 2024-07 |
Acquired Contour Fine Tooling B.V. (Netherlands) |
| 2024-07 |
Acquired Contour Fine Tooling B.V. (Netherlands) |
