Chronological order Union List (based on registered year) - 1988
- Sue Saeng Industry Labour Union
- Thai Greenland Workers Union
- Thon Buri Doily Weaving Workers Union of Thailand
- Tere Thailand Workers Union
- Garment Employees Union of Thailand
- SEI International Labour Union
- Cobra International Workers Union
- Chinawat Workers Union
- Pathum Thani Paper Workers Union
- Light House Workers Union
- Printing Packaging Industry Labour Union
- Shongchai Worker
- Crown Text Weaving Workers Union
- Sin Thani Labour Union
- Nissan Workers Union of Thailand
- Sri Thai Kitchen Utensils Workers Union
- Thai Brush Workers Union
- Thai Acrylic Workers Union
- Mali Condensed Milk Workers Union
