COMPANY HISTORY

Our Journey

Building trust and creating sustainable energy solutions for the future.

02
2018 THE BEGINNING
07

Founded TES Engineering Inc.

08

Registered a first-class license for electrical engineering design.
Registered a professional supervision business license in the electric field.

10

Registered Engineering Technical Sector (Information and Communication).
Registered Engineering Specialty (Information and Communication).

11

ISO 9001 certification.
ISO 14001 certification.

2019
02

Registered general firefighting facility design (electrical and mechanical).

2020
02

Founded Gwangju Branch.

03

Registered Electrical Construction Business Registration Certificate.

2021
05

Founded Corporate Research Institute.

07

Filed a patent application for an intelligent battery and PCS enclosure temperature management system designed to reduce power consumption.

2023
02

Founded Daegu Branch.

06

Patent registration completed.

2025
02

Registered a comprehensive supervision business license in the electric field.

Growing with Expertise.
Building the Future.

TES Engineering continues to strengthen its technical capabilities and expand its expertise in energy, electrical engineering and related infrastructure.