2023

Signing a partnership with LRC Co., Ltd. for overseas railway technology and management strategy

Signing an overseas plant technology and management strategy partnership with BLPC Co., Ltd.

Signing a business strategy partnership with Bigworx Co., Ltd of the Philippines

2022

Establishment of Global UN E&C Co., Ltd.

2018

Establishment of UN General Construction Co., Ltd.

2017

Signing an overseas partnership with JK Global Co., Ltd.

2016

Signing a real estate development partnership with SMMaster Co., Ltd.

2014

Signing a technical and management strategy partnership with Taerin Construction Co., Ltd.

2002

Signing a technical partnership with Hwacheon Co., Ltd.

2001

Establishment of UN Construction Co., Ltd.

1999

Establishment of Honglim Industrial Development Co., Ltd.

1992

Establishment of Woongdo Construction Co., Ltd.

1990

Establishment of Woongdo Engineering Co., Ltd.