2023	Construction Masters Awards: Selected as Master Builder for 11 Years Since 2012
2022	Contractor Ranking Janghak E&C : 270th, Janghak Design : 190th
2022	Acquiring ISO 45001:2018 Certification
2021	Acquiring ISO 14001:2015 Certification
2015	Acquiring ISO 9001:2015 Certification
2003	Acquiring Certification for Electronic Construction and Firefighting Facilities Construction
2003	Seongnam Tax Performance Award : Honorable Mention
2003	Acquired Interior Architectural Construction License
2001	Nominated as a Certified Contractor for USA F.E.D. Projects
2000	Selected as "I.B.K. Family Enterprise"- Industrial Bank of Korea
1999	Received credit rating "A" by the Korea Construction Financial Cooperative
1999	Acquired license for general construction work (Civil and Architectural)
1994	Acquired ISO 9001 certification
1994	Acquired general construction license (Architectural Construction)