Chronological order Union List (based on registered year) - 1986
- Thai SL Employees Union
- Thai Man Workers Union
- Uea Wittaya Labour Union
- Thai Meiji Workers Union
- Link Car Line Employees Union
- Airconditioner Manufacturer Labor Union of Thailand
- Sanyo Thailand Workers Union
- Thai Rat Knitting Workers Union
- KCE Electronics Employees Union
- Hongkong and Shianghai Bank Workers Union
- Thai Accessary Workers Union
- Career (Thailand) Workers Union
- Bangyikhan Wisky 2 Laobur Union
- Electric Equipment Labur Union of Thailand
- Club Made Workers Union
- Luckytex Labour Union
- Free Garment Udorn Thani Labour Union
