Chronological order Union List (based on registered year) - 1987
- Dai Nippon Printing Ink Workers Union
- Udom Suk Hotel Workers Union
- KLM Employees Union of Thailand
- Bangkok Polysac Workers Union
- Thai Beauty Ware Workers Union
- Bangpra Golf Court Workers Union
- CP Textile Nonthong Workers Union
- Plastic Textile Labour Union of Thailand
- Fok Yom Nambun Workers Union
- Collours and Chemicals Labour Union of Thailand
- Thai Rung Textile Workers Union
- Lime Acid Industry Labour Union
- East Polymer Workers Union
- Thai Waving Workers Union
