en 
ko
2011
Aug.
Obtained a license to undertake Construction Business in Singapore Building and Construction Authority
Unique Entity Number/ACRA Registration Number : T08FC7251B
2012
Jan.
PUMYANG MONGOL LLC. established in MONGOLIA
National Registration Number : 9019064081
Corporation Registration Number : 5559618
Jul.
Obtained a license to undertake Plasting work, masonry work, waterproof work (S.N. Yongsan 2012-03-01)
2014
Apr.
Parent registration of “The direction controlling implement with the vibration cut off in the charge hole to obstruct propagation of blasting vibration, and the blasting method using that implement”
(Registration No. 10-1392158)
2015
Jun.
Founded PUMYANG MYANMAR E&C Co., Ltd.
(Registration No. 225FC of 2015 – (YGN))
Dec.
Founded PUMYANG SINGAPORE E&C Pte. Ltd. (UEN 201542674G)
2016
July.
Registration of Export & Import Business as a primary Foreign Company in Myanmar (Registration No. 40758 (07-07-16))
Oct.
Acquired Specialist Builder (Piling Works) License in Singapore Construction Industry
Nov.
Parent Registration of “Pre-stressing apparatus for pipe strut”
(Registration No. 10-1674663)
2017
Feb.
International Patent Appearance of “Pre-stressing apparatus for pipe strut”
(Singapore, Malaysia, Indonesia, Vietnam)
May.
Registration ISO 9001 : 2015 / OHSAS 18001 in Singapore
Founded PUMYANG VIETNAM E&C Co., Ltd.
Oct.
Parent Registration of “Pre-stressing apparatus for pipe strut” in Singapore
(Registration No. 10201700897V)
2018
Feb.
Founded Singapore branch
Mar.
Singapore Corp, Acquired CRS (Piling Works) Level 1 License
Apr.
Singapore Branch, Registration OHSAS 18001 : 2007 / Bizsafe Level 5 (Star)
Jun.
Singapore Branch, Acquired BLS Specialist Builder (Piling Works) License
Singapore Corp, Registration OHSAS 18001 : 2007 Bizsafe Level 5 (Star)
July.
Singapore Branch, Acquired CRS (Piling Works) Level 3 License
2019
Mar.
Acquired facility maintenance business license
2021
Mar.
Singapore Branch, Registration ISO 45001 : 2018
2022
Jan.
Parent Registration of “Pilaster Jonted Slurry Wall System"
(Registration No. 10-2357963)
Feb.
Completion of the Boeun Plant, Chungbuk
Mar.
Registration ISO 45001 : 2018
2023
Aug.
Patent registration for "Pilaster Joint Slurry Wall System" with synthetic technology joint pilaster (No. 10-2568888)
Nov.
Acquired General Construction License for Civil Engineering Works (No. 01-0861)
2025
Nov.
Acquired ESG Comprehensive Grade 2 (Eredible)
1978
Aug.
Obtained a special-construction-company license in the geological field
(S.N. Earthworks, Seoul 01-103, S.N. Boring and Grouting Works, Seoul 14-30)
1983
Oct.
Introduces construction technology in a special underground structure between Pumyang and Soletanche Bachy, and established the joint-venture company Soletanche Pumyang
1990
Aug.
Its equipment and maintenance parts manufacture became independent, under Korean-French Machinery Manufacturing Co., Ltd.(KFMM)
1992
Jul.
KFMM Purchased and moved to its site in Cheonan, Chungcheongnam-do
1994
July.
Registered as a foreign construction business (Boring and Grouting Works)
Oct.
The main office was moved to its present location. (PUMYANG B/D, Seoul)
1995
Jun.
The Pumyang branch became independent (Pumyang Soletanche)
1997
Oct.
Obtained ISO 9001 (No. QSC70819)
Dec.
Obtained a license to undertake reinforced concrete works (S.N. Yongsan 97-10-3)
2000
Apr.
Obtained an engineering license (No. 10-938)
2003
Mar.
Obtained a license to undertake scaffolding works (S.N. Busan Dongrae 2003-07-02)
2004
Feb.
Pumyang Soletanche was merged into Soletanche-Pumyang
July.
Changed certificate authority ISO 9001 (No. AJA06/10639)
Sep.
Ended its partnership with Soletanche Bachy and changed its name to PUMYANG E&C Co., Ltd.
2006
July.
Changed certificate authority ISO 9001 (No. AJA06/10639)
2007
Sep.
Ended its partnership with Soletanche Bachy and changed its name to PUMYANG E&C Co., Ltd.
Nov.
Patent registration of underground wall earth retaining structure byprestressed steel pipe and excavation construction method of having used this (Registration No. 10-0776964)
2008
Feb.
Patent registration of The bottom structure of a storm storage tank
(Registration No. 10-0810691)
Aug.
Opened Singapore Branch (No: F07251W)
2009
Oct.
Obtained a license to undertake Paving works (S.N. Yongsan 09-11-01)
Oct.
Obtained a license to undertake Paving works (S.N. Yongsan 09-14-02)
2010
Jan.
Registered as a foreign construction business (S.N. Scaffolding Works-No.157, S.N. Water Supply & Sewerage Works-No.224, S.N. Reinforced Concrete Works-No.415, S.N. Paving Works-No.109)