History
| 2012 | 4 | Established OSG Turkey Kesici Takımlar Sanayi ve Ticaret A.Ş. |
|---|---|---|
| 2012 | 5 | Established OSG Poland Sp. z.o.o. |
| 2012 | 8 | Established Romsan International Company S.R.L. in Romania. |
| 2015 | 9 | Acquired DESGRANGES HOLDING (France) (now DESGRANGES OUTILS COUPANTS) |
| 2016 | 3 | Acquired Amamco Tool & Supply (U.S.A.) |
| 2016 | 11 | Acquired Somta Tools (South Africa) |
| 2019 | 12 | Acquired OSG BASS Holding GmbH (Germany) |
| 1992 | 12 | OSG MFG. Company and OSG Corporation were merged into OSG Corporation. |
|---|---|---|
| 1993 | 8 | Established OSG Asia Pte. Ltd. in Singapore. |
| 1994 | 1 | Established OSG Royco, S.A. de C.V. in Mexico. |
| 1996 | 11 | Established OSG Thai Co., Ltd. |
| 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 | 4 | Established OSG UK Limited. |
| 2000 | 5 | Established OSG Scandinavia A/S in Denmark. |
| 2001 | 7 | Established OSG (Shanghai) Co., Ltd. |
| 2002 | 7 | Established OSG Tooling Iberica, S.L. in Spain. (Renamed OSG Comaher S.L. in 2009) |
| 2002 | 9 | Established OSG GmbH in Germany. |
| 2003 | 12 | Established OSG Italia S.R.L. in Italy. |
| 2005 | 7 | Established OSG (India) Pvt, Ltd. |
| 2007 | 11 | Established PT. OSG Indonesia. |
| 2008 | 10 | Established OSG Vietnam Co., Ltd. |
| 2008 | 10 | Established OSG Mac World Nederland B.V. (Renamed OSG Nederland B.V.) |
| 2008 | 11 | Established OSG Philippines Corporation. |
| 1938 | 3 | Hideo Osawa established OSG Grinding Co., Ltd. in Tokyo and started the manufacturing and sales of taps and dies. |
|---|---|---|
| 1942 | 5 | Started the manufacturing and sales of screw gauges. |
| 1956 | 8 | Started the manufacturing and sales of rolling dies. |
| 1963 | 6 | Changed the company name to OSG MFG. Company. |
| 1963 | 12 | Established OSG Corporation as the sole agent for OSG products in Japan. |
| 1964 | 12 | Stock listed on the 2nd Section of the Nagoya Stock Exchange. |
| 1968 | 2 | Established OSG Tap and Die, Inc. in Chicago, U.S.A.(Renamed OSG USA, Inc.) |
| 1969 | 5 | Established Taiho Tool Mfg. Co., Ltd. in Taiwan. |
| 1970 | 10 | Started the manufacturing and sales of HSS End mills. |
| 1974 | 11 | Established OSG Ferramentas de Precisão Ltda. in Brazil.(Renamed OSG Sulamericana de Ferramentas Ltda. in 2009.) |
| 1980 | 9 | Started the manufacturing and sales of carbide end mills. |
| 1981 | 6 | Stock listed on the 1st Section of the Tokyo and Nagoya Stock Exchanges. |
| 1984 | 3 | Started the manufacturing and sales of drills. |
| 1985 | 10 | Established OSG Korea Corporation. |
| 1988 | 1 | Established OSG Canada Ltd. |