EGCO Engineering & Service Company Limited (ESCO), established on 8 September 1995, is the leading Thai power service provider of operation, maintenance, engineering, construction, energy conservation, and training services for power plants, petrochemical plants, oil refineries, and other industrial facilities. ESCO is a wholly-owned subsidiary of the Electricity Generation Public Company Limited (EGCO Group), the first Independent Power Producer in Thailand.

ESCO, fully equipped with highly skilled expertise, professional management, and advanced equipment, is a strategic business that enhances EGCO Group's capabilities to deliver fully integrated energy solutions.

ESCO has invested in two companies, both domestically and internationally, as part of its expansion into new business opportunities:

1. E&E Engineering & Service Co., Ltd., registered in Lao PDR, provides O&M services for a hydropower plant.
2. RES Renewable Energy Solution Co., Ltd. specializes in PV panel assessment and performance testing services.

As of  October  6, 2024