| 1950 April | Acquisition of Wire Hose Clamp Manufacturing Patent. (PAT) |
| 1952 June | Establishment of public corporation |
| 1966 July | Tokyo Sales Office was set up |
| 1968 May | Osaka Sales Office was set up. |
| 1972 January | Started import of TRIDON INC. clamps (exclusive distributor in Japan). |
| 1979 September | Nagoya Sales Office was set up. |
| 1979 September | A foreign resident office was set up in Vancouver, Canada. |
| 1982 July | A building for merchandise and physical distribution was built at Chiryu Operation Office. |
| 1982 November | Head office was moved to Nagoya Station, and a manufacturing facility was set up in Chiryu Operation Office. |
| 1982 December | Tokyo, Osaka, and Nagoya Sales Offices were located. |
| 1987 August | An office building of Canada local corporation (S.I.C/YUCA) was built. |
| 1987 October | Started import of BREEZE INDUSTRIAL PRODUCTS CORPORATION clamps. |
| 1991 June | New Chiryu Manufacturing Facility was built. |
| 1995 February | Shiba Sawakyu Building was built. |
| 1995 December | Osaka Sawakyu Building was built. |
| 1997 June | Started import of MIKALOR, S.A. (exclusive distributor in Japan) products. |
| 2000 January | Head office and Nagoya Sales Office were moved to the 40th floor of JR Central Towers |
| 2000 February | Started import of CAILLAU SA products. |
| 2000 October | 50th anniversary occasion. |
| 2004 January | Acquisition of ISO9001 certification |
| 2005 January | Acquisition of ISO14001 certification |
| 2006 June | Started import of TOMKINS-IDEAL CLAMPS CO.LTD. (exclusive distributor in Japan) |
| 2007 April | Started import of ORBIT INTERNATIONAL CO., LTD products. |
| 2008 January | SAWAKYU AUTOMOTIVE TRADING (SUZHOU) was established. |
| 2019 August | Route One Warehouse was set up in Chiryu, Aichi. |