Chronological order Union List (based on registered year) - 2001
- ITV Labour Union
- Toyota Para and Affiliates Workers Union
- Kitchen Utensil Workers Union
- Helmet Labour Union of Thailand
- Tug Boat Transport Workers Union
- Samphan York Organization Labour Union
- VIV Intercam Workers Union
- Thai Apply Workers Union
- Sheraton Grand Sukumvit Workers Union
- MTS Crane Labour Union
- York Thai Workers Union
- Thai Namsiri Intertext Middle Management Workers Union
- Thai Namsiri Textile Workers Union
- Food Institute Workers Union
- Bangkok Concrete Industry Workers Union
- Longyear Industrial Workers Union
- Siam Shorside Transport Labour Union of Thailand
- Siam Wire Industry Workers Union
- The Union of the Employees of Phayathai Hospital 3
- Thai Military Executive Labour Union
- NYK Labour Union
- Nissen Workers Union of Thailand
- TPI Polyn Workers Union of Rayong
- Acue Main Brush Labour Union
- Toei Denchi Workers Union
- World Precision Workers Union
- TSK Forging Workers Union
- Tatung Thailand Workers Union
- Summit Affiliation Thailand Workers Union
- IRC Tire & Rubber Manufacturer Labour Union
- Siam Pacific Labour Union
- Combustible Materials Transport Labour Union
- Vireform Navanakhon Workers Union
- Sonodo Workers Union
- Boat Canvas Garment Phuket Labour Union
- Sheraton Grand Lagoona Phuket Workers Union
- Banyan Tree Workers Union
- Plastic Transport Workers Union
- Thai-German Workers Union
- Uthopian Workers Union
- Apply DB Thaialnd Labour Union
- Thai Decal Workers Union
- Thai Best Workers Union
- Hochin Labour Union
- Thai Lime Acid Industry Labour Union
- Dextra Workers Union
- JTN Workers Union
- Thai Fabric Dye Labour Union
- OSI Labour Union
- Future Text Workers Union
- Ampass Supervisory Labour Union of Thailand
- Thailand Fishery Workers Union
- Asia Garment Labour Union
- Food Pact Advance Workers Union
- Summit Samphan Workers Union
- TPW Supervisory Labour Union
- Thai Negoro Workers Union
- Shevalle Workers Union
- Kuang Hong Workers Union
- Terbo Gas Workers Union
- Star Print Workers Union
- Lois Glue Tape Product Labour Union
- Primacy Workers Union
- Ruamkancharoen Workers Union
- Topline Workers Union
- Bestext Workers Union
- Toyota Auto Workers Union of Thailand
- Ready Made Food and Beverage Workers Union
- Balarama Thailand Workers Union
- Linfox Workers Union
- Industrial Estate Authority of Thailand Labour Union
