2024
Change of Representative to An Soo Choi
2019
Establishing Corporate office in Bangladesh
Establishing Corporate office in Vietnam
Change of Representative to KYUNG-NAM MIN, AN-SOO CHOI
2018
Establishing Corporate office in India
Change of Representative to Young Suk Kim
2017
Outdoor lighting system for waste landfill and its simulation
method
Obtain a Certificate Of Patent(Patent No. 10-1754542)
Establishing Corporate office in Russia
2016
Change of Representative to JAE WAN AN, KIM YOUNG SUK
Establishing Corporate office in Oman
Waste disposal using solidifying soil and odor reducing material
Obtain a Certificate Of Patent(Patent No. 10-1654484)
2014
Return of Specialized Construction Business License
(Underwater Construction work business No. Gangnam
04-17-01)
2011
Establishing Corporate office in Malaysia
Capatal : KRW 6,928,040,000
Merger with Gusan Construction co.,ltd.
2010
Obtaining Environmental Management System Certification
(KS I ISO 14001/ISO 14001).
Obtaining Safety-Health Management System Certification
(K-OHSMS 18001/OHSAS 18001)
Obtaining Overseas Construction Business License
(Engineering and construction/building work business no.1025)
Establishing Corporate office in Saudi Arabia
2008
Obtaining Construction Business License (Engineering and
construction/building work business no.01-0398)
Obtaining Overseas Construction Business License
(Metal-structure, windows&doors work business No. 80)
Obtaining Overseas Construction Business License
(Scaffold, Structure dismantle work business No. 113)
Obtaining Overseas Construction Business License
(Water supply and Sewerage facilities work business No.165)
Obtaining Overseas Construction Business License
(Plastering, Waterproofing, Masonry work business No.36)
Obtaining Overseas Construction Business License
(Underwater Construction business No.53)
Obtaining Overseas Construction Business License
(Boring, Grouting work business No.93)
Obtaining Overseas Construction Business License
(Pavement work business No.86)
Change of Representative from Jae-wan Ahn to Young-suk Kim
2007
Obtaining Specialized Construction Business License
(Metal-structure, windows&doors work business
No. Gangnam-07-08-04)
2005
License House construction business Re-registration
(Seoul-Jutaek2005-0201)
patent registration 'Lock bolt for Tunnel Construction
(Reg. No. 0393588)
Change of Representative to Jae-wan Ahn & Young-suk Kim
Change of Representative to Jae-wan Ahn & Hee-bae Kim
2004
Obtaining Specialized Construction Business License (Scaffold,
Structure dismantle work business No. Gangnam-04-07-07)
Obtaining Specialized Construction Business License
(Plastering, Waterproofing, Masonry work business No.
Gangnam-04-03-09)
Return of Specialized Construction Business License (Scaffold,
Structure dismantle work business No. Jongno 02-07-02)
Return of Specialized Construction Business License
(Plastering, Waterproofing, Masonry work business No.
Jongno 02-03-01)
Obtaining Specialized Construction Business License
(Underwater Construction business No. Gangnam 04-17-01)
Return of Specialized Construction Business License
(Underwater Construction business No. Jongno 02-17-01)
2003
Relocation of HQ : Gusan Bldg., 59-8, Nonhyeon-dong
Gangnam-gu, Seoul
2002
Obtaining Specialized Construction Business License (Scaffold,
Structure dismantle work business No. Jongno 02-07-02)
Change of Representative to Jae-wan Ahn & Seok-geon Lee br
Obtaining Specialized Construction Business License
(Water supply and Sewerage facilities work business No.
Jongno 02-13-01)
Obtaining Specialized Construction Business License (Plastering,
Waterproofing, Masonry work business No. Jongno 02-03-01)
Obtaining Specialized Construction Business License
(Underwater Construction business No. Jongno 02-17-01)
Return of Specialized Construction Business License
(Underwater Construction business No. Jongno99-17-1)
Return of Specialized Construction Business License (Water
supply and Sewerage facilities work business No. Jongno99-13-5)
Return of Specialized Construction Business License (Scaffold,
Structure dismantle work business No. Jongno 99-07-1)
Change of company logo
Change of company homepage (http://www.gusan.co.kr)
2001
Change of Representative to Jae-wan Ahn
1999
Obtaining Specialized Construction Business License
(Pavement work business No.Jongno99-16-3)
Obtaining Specialized Construction Business License
(Underwater Construction business No. Jongno99-17-1)
Obtaining Specialized Construction Business License
(Scaffold, Structure dismantle work business No. Jongno 99-07-1)
Obtaining Specialized Construction Business License
(Boring, Grouting work business No.Jongno99-14-3)
Obtaining Specialized Construction Business License (Water
supply and Sewerage facilities work business No. Jongno99-13-5)
implementing computer system (http://www.kusan.net)
Change of Representative to Seok-geon Lee
1998
Capital: KRW 5,260,000,000
Obtaining Quality system certification (KS Q ISO 9001/ISO 9001)
1994
Obtaining Overseas Construction Business License
(Ferroconcrete work business no.828)
Obtaining Overseas Construction Business License
(Earthworks business no.7)
1993
Capital: KRW 3,510,000,000
1992
Selected as an appointed company for military service
(No. 92-1122)
Capital: KRW 3,010,000,000
Obtaining Security certification for military engineering and construction
1991
Obtaining Residential Land possession business license (no.13)
House construction business Registration (no. 91-1-37)
Capital: KRW 2,010,000,000
1990
Dual Business Application for leasing service of real estate
Relocation of HQ : Gusan Bldg. 134-2, Nagwon-dong, Jongno-gu,
Seoul
Capital: KRW 1,509,000,000
1989
Capital: KRW 915,000,000
1988
Capital: KRW 395,000,000
Dual Business Application for leasing heavy equipment
1987
Capital: KRW 120,000,000
1984
Relocation of HQ: 45-14 Yeouido-dong, Yeongdeungpo-gu,
Seoul, Korea
Capital: KRW 100,000,000
1983
Capital: KRW 80,000,000
1982
Obtaining Specialized Construction Business License
(Earthwork Business no.82-02-259)
Obtaining Specialized Construction Business License
(Ferroconcrete work business no. 82-10-231)
Founding Gusan Construction co.,ltd.
(HQ: 1-150 Yeouido-dong, Yeongdeungpo-gu, Seoul, Korea)
Capital : KRW 40,000,000
2011
Merger with Gusan Construction co.,ltd.
2009
Relocation of HQ : 570-3, Jugyo-dong, Deogyang-gu,
Goyang-si, Gyeonggi-do
2008
Obtaining Overseas Construction Business License
(Engineering and construction/building work business no.828
Return of Overseas Construction Business License
(Civil Engineering work business no.7)
.Change of Representative to Seung-yeol Oh
2007
Return of Landscaping work Business License
2006
Return of Industrial equipments work Business License
Obtaining Landscaping work Business License
2003
Branch office : Gusan Bldg., 59-8, Nonhyeon-dong,
Gangnam-gu, Seoul
Renewal of House construction business Registration
(Registration no. Gyeonggi-Jutaek2003-0184)
Return of Gas facilities Construction First-Class Business License.
2002
Change of Representative to Young-suk Kim
2000
Obtaining Industrial equipments work Business License
(Registration no. JeSanSeol 10-5004)
Obtaining Fire protection system work Business License
(Registration no. JeGyeonggiGoyang 2000-09)
1999
Capital: KRW 7,750,000,000
Relocation of HQ : 968-3, Kwang-Sung Bldg.,
Hwajeong-dong, Deogyang-gu, Goyang-si, Gyeonggi-do
1998
Capital: KRW 4,750,000,000
Obtaining ISO 9001 Certification
1996
Gas facilities Construction Business Registration (No. 18)
Overseas Construction Business License
(Civil Engineering work business no.7)
Waste disposal facility design&construction Business
Registration (No. 182)
1995
Capital: KRW 2,250,000,000
1992
Obtaining Construction Business License
(Engineering and construction/building work business no.1437)
Capital: KRW 2,100,000,000
Capital: KRW 800,000,000
Relocation of HQ : 134-2, Nagwon-dong, Jongno-gu, Seoul
1986
House construction business Registration
(Registration no. 86-162)
Corporate Business Registration (Registration no. 124-81-20204)
1985
Founding Chun-Il Housing Inc.
(HQ: Sinmunno 2-ga, Jongno-gu, Seoul, Korea)