- 2010's
- 2018. 03Changed Company Name to Hyeum Construction Co.,Ltd
- 2015. 07Real Estate Development Business Registration
- 2014. 07Acquired Licenses for Landscape Construction Business
- 2014. 07Acquired License for Housing Construction Business
- 2011. 04Acquired License for Electric Construction Business
- 2010. 11Awarded the commendation of Chengju Mayor for the Creating a Green Capital ChengJu
- 2010. 06Certified as a Management Innovation Small and Medium Enterprise (MAIN BIZ)
- 2000's
- 2008. 06Changed Company Name to BK Construction Co.,Ltd
- 2005. 11Establishment of a Department Dedicated to Research and Development
- (Korea Industrial Technology Promotion Association)
- 2004. 12Obtained Patent : Covering Method of Underground Structures Using Waste Styropor Particles
- (Panent No.0462529)
- 2004. 09Obtained Patent : Backfill Method Using Waste Styropor Particles (Patent No.0451092)
- 2004. 04Mergers and Acquisitions Ladefense
- 2003. 11Division Corporate BK C&D Co.,Ltd
- 2001. 12Awarded a Beautiful Building Award in CheongJu on 2001
- 2001. 12Awarded Siver Prize in the 3rd Chungcheongbuk-do Architectural Award
- 2000. 11Awarded a Beautiful Building Award in CheongJu on 2000
- 1990's
- 1997. 08General Construction License
- 1992. 08Professional Construction License
- 1992. 06Established Bokyung Industrial Development