Southeast Thailand Co., Ltd. was established as a Trading Company in 1963. Many years, the experience and reputation have made a steady growth. Then, we have grown into many areas of business. We commit ourselves to satisfy our customers’ requirements and needs.

We can provide all of high, medium, and low voltage electrical quipment such as capacitors, transformer accessories, instrument transformers, insulators, lamps, etc. Moreover, we have been in service of harmonic analysis and installation for capacitor bank.

Over the past 40 years, we have grown rapidly and gained recognition from both local and oversea customers. We have increased a range of products with wild networking, experienced management teams, and skillful staffs. We concentrate continuously on our product quality and development. We are also well aware of efficient human resources are the key to success today and in the future.