| 1981 | Soil Test | Company Product |
| 1982 | Soil Testing | Company Product |
| 1983 | Soil Testing Equipment | Company Product |
| 1984 | Soil Waste Collection | Company Product |
| 1985 | Soil-Less Agriculture | Company Product |
| 1986 | Soil-Less Cultivation | Company Product |
| 1987 | Soil-Less Technique | Company Product |
| 1988 | Soilless Cultivation | Company Product |
| 1989 | Solar Arrow Signboard | Company Product |
| 1990 | Solar Cables | Company Product |
| 1991 | Solar Control Films | Company Product |
| 1992 | Solar Control Low E Glass | Company Product |
| 1993 | Solar Control Low E Glasses | Company Product |
| 1994 | Solar Control Window Films | Company Product |
| 1995 | Solar Energy Batteries | Company Product |
| 1996 | Solar Energy Equipment | Company Product |
| 1997 | Solar Films | Company Product |
| 1998 | Solar Lamp | Company Product |
| 1999 | Solar Led Street Light | Company Product |
| 2000 | Solar Megohmmeter | Company Product |
| 2001 | Solar Modules & Panels | Company Product |
| 2002 | Solar PV Testers | Company Product |
| 2003 | Solar Power Meter | Company Product |
| 2004 | Solar Power Signboard | Company Product |
| 2005 | Solar Pumping Inverters | Company Product |
| 2006 | Solar Reflective Films | Company Product |
| 2007 | Solar Signboard | Company Product |
| 2008 | Solar Simulation Systems | Company Product |
| 2009 | Solar System Installer | Company Product |
| 2010 | Solar Tester | Company Product |