01 .2025Selected as an excellent company by Yongin City in 2025

01 .2024Research center expansion relocation and factory registration

04 .2024Acquired patent for IoT-based slope disaster detection and warning system

10 .2024Participated in AIoT International Exhibition in COEX

11 .2024Selected as the 2024 Gyeonggi-do Excellent Job Creation Company

03 .2023Acquired a Certificate of Manhole detector Deign Registration

10 .2023Participated in AIoT International Exhibition in COEX

12 .2022Expansion of dedicated area as a KT Partner ( Yongin-si Cheoingu -> All area of Yongin si)

01 .2021Established Company-Affiliated Research Institute

05 .2021Acquired Certificate of Wifi & LoRa Gateway All-in-one AP Integrated System & Equipment

08 .2021Acquired Certificate of Manhole Remote Management System

01 .2020Authorized 1st Class Partner of KT in 2003~2020

08 .2020Renewed ISO 9001 Quality Management System

10 .2020Renewed ISO 14001 certification for environmental management system

01 .2019Excellent OSP partner of KT (2003 ~ 2019)

07 .2019Acquired certificate of direct production of public safety and security equipment

07 .2019Achieved 79 ranks / 33 billion KRW nationwide in telecom construction

09 .2019Completed Myanmar IT Infra-Network Expansion Project

01 .2018Multi-Supply Contract with Public Procurement Service (Video Surveillance System)

03 .2018Acquired Certificate of Medium-sized company

06 .2018Acquired a license for electric construction business

11 .2018Awarded KT Best Partner

03 .2017Changed the company name to DT Incorporation

04 .2017Selected as the best partner of excellent import and export company by IBK Bank

05 .2017Acquired certificate of broadcasting communication equipment (KC certification)

06 .2017Registered closed circuit television system factory

06 .2017Acquired certificate for direct production of closed circuit television system

08 .2017Renewed ISO 9001 Quality Management System

09 .2017Acquired Overseas Construction Business License

10 .2017Renewed ISO 14001 certification for environmental management system

09 .2016Acquired International Trade license

10 .2016Awarded Myanmar IT Infra-Network Expansion Project

02 .2015Acquired patent for pan tilt device for monitoring system

02 .2015DT CEO Yun-Hun Kim was appointed as the 11th chairman of the Korea Information and Communication Construction Association (KICA)

01 .2011Moved into Yongin New DT Building

11 .2011Meteorological (equipment) business registration

02 .2010Awarded Citation from Gyeonggi Regional Small and Medium Business Administration

03 .2010Moved to the head office in Yongin

10 .2010Awarded for INFO-BAHAN internet network construction in Bangladesh

08 .2009Changed the company name as Daeyoon Telecom

08 .2005Acquired Software provider - Database production and search service

08 .2005Acquired Software provider - Digital contents development service

08 .2005Acquired Software provider - Package software development and supply

08 .2005Acquired Software provider - Computer Service

05 .1998Registered the 1st grade License with law revision

09 .1995Upgraded the 1st grade License of wired telecom construction

04 .1995Change the company name as DT

11 .1987Awarded the License of electric & telecom construction

05 .1987Established as Guemsung Electronic Telecommunication