Chronological order Union List (based on registered year) - 1976
- Auto Accessories Workers Union of Thailand
- Baja Workers Union of Thailand
- Leather Bleash Industry Labour Union of Thaialnd
- Bangkok Textile Factory Workers Union
- Union of Colgate Employee Thailand
- Holiday Inn Crown Plaza Hotel Workers Union
- TTL Industries Workers Union
- Narai Hotel Workers Union
- Soongnern Sag Weaving Factory Workers Union
- Isan Sag Workers Union
- Tire Rubber Worker Union of Thailand
- Thai-American Thai Melon Textline Workers Union
- Thai Filament Workers Union
- Thai Kurabo Trade Union
- Kimberly Clark Workers Union
- Thai Are Workers Union
- Cement Irregation Chaam Workers Union
- National Thai Workers Union
- Thai Bleash and Dye Textile Workers Union
- Indo Thai Labour Union
