2021
- Jul
- Registration of the business on the inspection for the performances of mechanical equipment
- Feb
- elected as a vendor for installations of solar ray, solar heat, and fuel cell in the housing support project and the building support project (2013 to 2021)
2020
- Dec
- Industrial Award in the Korean Energy Awards (contribution to the national industry development by enhancement of energy efficiency)
- Jun
- Commendation from Daegu Metropolitan City (contribution to realize the Daegu community)
- Apr
- Selected as a small hidden champion by Ministry of Employment and Labor (May 1, 2020 - Apr 30, 2021)
- Jan
- Gold Award in the area of acadmy-industry collaboration, Daegu-Kyeongbuk Industry-University Cooperation Management Awards (contribution to the enhancements of energy efficiency and environment)
2019
- Apr
- Selected as INNO-BIZ
- Selected as a Venture Capital by Korea Technology Finance Corporation
2018
- Dec
- Commendation from Daegu-Kyeongbuk Regional Small & Medium Business Administration
- May
- Certification of quality management system (ISO9001:2015)
2017
- May
- Selected the R&D Center as an appointed company for special cases on military service
- Apr
- Selected as a small hidden champion by Ministry of Employment and Labor
2016
- Dec
- Registration of telecommunication installation business
- May
- Construction engineering services - design and business management (general)
- Feb
- Registration of the vendor for intellectual electrical grid (demand response/other services)
2015
- Mar
- Technology Award from Yeongnam Branch of the Korean Institute of Architectural Sustainable Environment and Building Systems
- Jan
- Registration of a green remodelling vendor
2014
- Nov
- Commendaiton from Daegu Metropolitan City Mayor (energy saving project and expansion of energy efficienty engancement)
2013
- Mar
- Selected as MAIN-BIZ
- Jan
- Presidential Commendation (contribute to the national industry development by promotion of engineering industry)
2011
- Mar
- Selected as an installation vendor for Green Home 1 Million Households (2011: solar ray, solar heat, and geothermal heat; 2012: solar ray and solar heat)
- Jan
- Registration of an engineering vendor (equipment and telecommunication)
2010
- Nov
- Commendation from the Minister of Knowledge Economy on the energy saving practices
- Mar
- Selected as an installation vendor for Green Home 1 Million Households (solar ray)
- Jan
- Commendation from the Korea Energy Management Corporation on the establishment of foundation for low carbon and green growth
2009
- Mar
- Registration of equipment inspection specialized company
- Jan
- Reregistration of firefighting facility business (design business for special firefighting facility)
2008
- Nov
- Excellent Award in the Energy Saving Contest by Daegu Metropolitan City
2007
- Dec
- Registration of new renewable energy specialized company (solar, wind, and theothermal energy)
- Nov
- Commendation from the Minister of Commerce, Industry and Energy
2006
- Dec
- Appointed as a specialized institution for energy diagnosis (Class 1)
- Mar
- Additional registration of engineering activity subject (telecommunication)
- Jan
- Registration of firefighting equipment business (inspection business for special firefighting construction)
2005
- Nov
- Registration of inspection business for electricity (comprehensive inspection business)
- Jul
- Registration of mechanical equipment installation business
- Feb
- Registration of electricity design business (Special class 1)
- Commendation from Deputy Prime Minister
- Jan
- Registration of special firefighting equipment installation business
- Change the company name into SINIL E&C Co. Ltd.
2004
- May
- Registration of company R&D Center (Korea Industrial Technology Association)
- Mar
- Registration of electricity installation business
2003
- Apr
- Registration of energy saving specialized company, Type 1 and 2 (manufacturing facility and building)
2000
- Dec
- Additional registration of engineering activity subject (air-conditioner)
1999
- Dec
- Certification of quality assurance system (ISO9001: 1994)
1998
- Aug
- Registration of qualificaiton for test, adjustment, and evaluation in the air conditioning equipment (Society of Air-conditioning and Refrigerating Engineers of Korea)
- Mar
- Design business for the general firefighting facility (machinery and electricity)
1997
- Sept
- Registration of engineering activity subject - construction mechanical equipment (Korea Engineering and Consulting Association)
- Apr
- Registration as a vendor for POSCO E&C
- Mar
- Transit into corporation, SINIL Equipment Engineer Office Co. Ltd.
1996
- Nov
- Found SINIL Equipment Engineer Office