| 1913 |
Eto Copper and Steel Shop founded in Nihonbashi, Tokyo |
| 1913-12 |
1913年(大正2年)12月 |
| 1946 |
Eto & Co. established |
| 1954 |
Name changed to Eto Screw Co., Ltd. |
| 1954-12 |
1954年(昭和29年)12月 株式会社に改組 |
| 1967 |
Sendai sales branch opened |
| 1969 |
Hamamatsu sales branch opened |
| 1970 |
Suwa sales branch opened |
| 1972 |
Nagoya sales branch opened |
| 1973 |
Fukushima sales branch opened |
| 1974 |
Kofu sales branch opened |
| 1975 |
Morioka sales branch opened |
| 1978 |
Osaka sales branch opened |
| 1979 |
Hitachi sales branch opened |
| 1982 |
Name changed to Eto Co., Ltd. |
| 1982 |
Minamikantou sales branch opened |
| 1982 |
Yamagata sales branch opened |
| 1987 |
Eto Taiwan Branch opened |
| 1988 |
Kyushu sales branch opened |
| 1989 |
Sakura sales branch opened |
| 1991 |
Eto Malaysia Branch opened |
| 1992 |
Kagoshima factory opened |
| 1992 |
Hiroshima sales branch opened |
| 1993 |
ETO (HONG KONG) Co.,Ltd. established in Malaysia |
| 1993 |
ETO PRECISION (M) SDN. BHD. established in Malaysia |
| 1994 |
Siam Eto Co., Ltd. established in Thailand |
| 1995 |
E&H Precision (Thailand) Co., Ltd. established in Thailand |
| 1999 |
ISO 9001 certification obtained |
| 2000 |
ISO 14001 certification obtained |
| 2000 |
Eto Kanagawa Branch opened |
| 2001 |
ECF Precision (Thailand) Co., Ltd. established in Thailand |
| 2002 |
Eto (Shanghai) International Trading Company established in Shanghai |
| 2002 |
Eto International Trading Company (Dalian FTZ) established in Dalian |
| 2006 |
P.I. Center established on Heiwajima, Ota-ku, Tokyo |
| 2008 |
Taiwan Branch changed into ETO PRECISION OF TAIWAN CO., LTD. |
| 2010 |
Headquarters moved to Minatomirai, Yokohama |
| 2015 |
Participated in the group of KBK |
| 2023 |
Establishment of ETO SOLUTIONS VIETNAM COMPANY LIMITED |
| 2024 |
Subsidiary Acquisition of Wellston Co., Ltd |