| Company | Industry | Employee Range | Revenue Range | Country & City | |
|---|---|---|---|---|---|
| B.GRIMM | Utilities | 5,000 + | 1,000,000,000 | Thailand | View |
| Global Power Synergy Company Public Limited | Utilities | 5,000 + | 1,000,000,000 | Thailand | View |
| National Power Supply Co. Ltd. | Utilities | 1,000 + | 1,000,000,000 | Thailand | View |
| The Provincial Electricity Authority | Utilities | 200 + | 50,000,000 | Thailand | View |