| 1988 | Dec. | Established the "Fluorocarbon Countermeasure Promotion Committee" |
| 1992 | Aug. |
Abolished the use of CFCs at Japan sites. |
| Dec. | Established Environmental Administration Office (currently Corporate Environmental Administration Department). | |
| 1993 | Apr. |
Established the "Green Plan" environmental protection plan. |
| Aug. | Introduced the "Clean Arrow" used-paper collection truck. | |
| Nov. | Abolished the use of trichloroethane at Japan and overseas sites. Abolished the use of CFCs at overseas sites. |
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| 1994 | Apr. | Began monthly management of energy, paper use, and waste. |
| 1995 | Aug. | Executive council kicked off the Environmental Management System |
| 1996 | Aug. |
Started publication of our annual environmental report. |
| Nov. | The Takatsuka Unit became the first SII Group business unit which obtained ISO14001. |
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| 1997 | Dec. | Launched our "Idling Stop" promotion. , |
| 1998 | Feb. | Published the SII Chemical Management Guide. |
| 1999 | Mar. |
Completed ISO14001 certification for all of our major business units in Japan Major business units in Japan abolished the use of chlorine solvents, including trichloroethylene and methylene chloride.. |
| Oct. | Issued the SII Group Green Purchasing Standards. | |
| 2000 | Feb. |
Introduced environmental accounting. |
| Nov. | Ohno Unit became the first SII Group business unit which achieved Zero Emissions. |
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| 2001 | Oct. | Makuhari Head Office became the first SII Group non-production site which obtained ISO14001. |
| Dec. | Introduced the SII Green Products labeling system. | |
| 2004 | Mar. | Major Japan sites achieved Zero Emissions. |
| Aug. | Started to report social activities in our environmental report. | |
| Oct. | Lead solder was completely abolished. | |
| 2005 | Jul. | Our environmental report changed its title to SII Social and Environmental Report. |
| 2006 | Oct. | Introduced the SII High Grade Green Products labeling system. |
| Nov. | Received the Development Bank of Japan's Highest Rank Award for Promoting Environmentally Conscious Management. | |
| 2007 | May. | "SII Green Products" achieved 90% of sales. |
| 2009 | Feb. | Abolished the use of methylene chloride at overseas sites. |





