Chronological order Union List (based on registered year) - 1994
- Toyota Ink Workers Union of Thailand
- Product Standard Inspection Workers Union of Thailand
- Saeng Tawn Labour Union
- Property Care Service Workers Union
- CL&A Workers Union
- OC and Computer Labour Union
- Yoshi Sava Thai Workers Union
- Toyota-TOA Coating Workers Union
- Hahabishi Labour Union
- Ancell Labour Union of Thailand
- Krungthai Bank Supervisory Labour Union
- Jina Samphan Workers Union
- Kalasin Seree Garment Workers Union
- Sunny Workers Union
- Welt Draft Worekrs Union
- Mitsubishi Electric Labour Union Thailand
- Adder Trans Thai Labour Union
- NVC Technology Thailand Labour Union
- YMP Print and Dye Workers Union of Thailand
- Thai Chemical Workers Union
- Manika Thai Workers Union
- JCT Service Workers Union
- Chaiseree Mettal and Rubber Workers Union
- OTG Thai Labour Union
- Nitsuko Thai Workers Union
- General Hospital Products Workers Union
- Sermsuk Thaialnd Supervisory Labour Union
- Multi Thailand Workers Union
- Central Food Labour Union
- Sentago Frozen Chicken Thailand Labour Union
- Crown Nai Yang Workers Union
- Fedura Worker Union
- Lighting Workers Union
- Thai Pochana Workers Union
- Carten Products Workers Union of Thailand
- SP Labour Union
- Fedura Top Workers Union
- Triamph Industries Workers Union
- Siam Brothers Worker
- Saha Viriya Nittan Labour Union
- Sakon Iron Maker Labour Union
- Sports Club Workers Union
- Thai Asahi Denki Workers Union
- Thai Union Switchboard Workers Union
- Textile Industry Labour Union
- Paper and Publication Industry Labour Union
- Lupin Labour Union
- Imax Labour Union of Thailand
- Thai Iron Doors Workers Union
- The Union of the Employees of Motocycle Parts Enterprise
- SLC Thailand Labour Union
- Syntech East Workers Union
- Thai Asahi Chemical Supervisory Workers Union
- S&C Labour Union
- PA Workers Union
- TKA Thailand Workers Union
- Sri Thai Workers Union
- Thai Sanko Workers Union
- T-Time Workers Union
- Nidek Workers Union
- CKL Workers Union
- Liquor Distilley Enterprise Workers Union
- Civil Aronatic State Enterprise Workers' Union
