2024.01
License acquisition: Professional firefighting facility construction business

2023.07
Acquired certification: ISO 45001
2023.10
Incorporation: Canada
2023.11
Incorporation: USA

2022.10
Branch establishment: Malaysia
December 2022
Award: Cheonan City Excellent Construction Company

2021.02
License acquisition: Water and sewage construction
2021.04
Registered as a partner company: SK Innovation
2021.06
Registered as a partner: Samsung SDI
2021.08
Registered as a partner company: Samsung Engineering

2020.03
Obtain certification: Exporter with country of origin certification for each item
2020.03
Obtain certification: Exporter with country of origin certification for each item
2020.03
Obtain certification: Exporter with country of origin certification for each item
2020.03
Obtain certification: Exporter with country of origin certification for each item

2019.04
Registered as a partner company: Serveone Co., Ltd.
2019.06
Registered as a partner company: Shinsung ENG
Branch establishment: Poland
Branch establishment: Hungary

2018.03
Patent registration: Development of duct connector including packing (2 cases)
2018.05
License acquisition: Mechanical equipment construction
2018.07
Registered as a partner company: E-Tech Construction
2018.09
Registered as a partner company: Hanyang ENG
2018.10
Registered as a partner company: CK Solution Co., Ltd.
Registered as a partner company: Seongdo ENG

2017.03
Registered as a partner company: Samson Engineering Co., Ltd.
2017.09
Registered as a partner company: Yuvek Co., Ltd.

2016.07
Acquired certification: ISO9001

2015.03
Registered as a partner company: Kyungnam Enterprises Co., Ltd.
2015.08
Registered as a partner company: Hwaseong E&C Co., Ltd.

2014.01
Establishment of Top ENG
Registered as a partner company: Eunha Air Conditioning Co., Ltd
Registered as a partner company: Forever Global Co., Ltd.
2014.02
Registered as a partner company: Sebo MEC Co., Ltd.
2014.05
Registered as a partner company: Paratech Co., Ltd.
Company name change: Top Engineering Co., Ltd.
2014.09
Registered as a partner company: Seonga Tech Co., Ltd.