Chronological order Union List (based on registered year) - 2003
- Master Skill Supply Workers Union
- Paper Bag Connection Labour Union
- Winbest Samphan Workers Union
- VD Nam World Workers Union
- Art Top International Workers Union
- Safety Belts and Bags Workers Union
- DSK 1997 Workers Union
- Oil and Gas Wellhead Platform Thailand Labor Union
- Subcontracted Enterprise Workers Union
- SP Samphan Labour Union
- Siam Maritime Transport Labour Union
- Jina Ruamjai Workers Union
- MSM Thailand Workers Union
- MSM Middle Management Workers Union
- Toyota Thailand Workers Union
- Polymer Plastic Samphan Workers Union
- Global Thailand Workers Union
- Phayathai 2 Workers Union
- Safety Belt Supervisory Labour Union
- MKS Jwelry Labour Union
- Singha Beer Workers Union
- Office Service Workers Union
- Skip Service Workers Union
- Gold Place Samphan Workers Union
- Banbrand Samphan Wokers Union
- Hino Mortor Sells (Thailand) Labour Union
- Gas Station Workers Union
- Thai Wattana Workers Union
- King Bo Tu Concept Workers Union
- Auto Accessories and Parts Workers Union
- Thai Compressure Labour Union
- Thai Prayook Executivel Labor Union
- Golf Court Enterprise Workers Union
- Transport and Tourism Workers Union
- Trade Samphan Workers Union
- Solidarity Center Workers
- Logistic Driver Labour Union
- Thai Wong Knitting Workers Union
- The Union of the Employees of Gas Station
- Thai Auto Wheels Workers Union
- Exaloy Asia Labour Union
- HJC Labour Union
- Thai Summit Harness Workers Union
- Thai Summit Mitsuba Workers Union
- Thai Summit Harness Supervisory Labour Union
- Laemthong Protein Foods 243 Labour Union
- Khanom Electric Generation Executive Labour Union
- Khanom Electric Generation Workers Union
- ITE Labour Union
- Goods Transportation Workers Union
- Rocket Steel Workers Union of Thailand
- Banyan Thawee Spa Workers Union
- Siam Goshi Worker's Union
- Hadyai Auto Garage Labour Union
- Kohher (Thailand) Supervisory Labour Union
- Takahasi Plastic Workers Union
- Thai Feeders Workers Union
- ADR Labour Union
- Yahata Workers Union
- Pharmaceutical Industry Labour Union
- Harvey Labour Union
- Plastic Pigment Producer Workers Union
- Futaba Workers Union
- Solex Workers Union
- Solex Supervisory Labour Union
- Bags and Packagaging Workers Union
- Plastic Industry Union
- Crytal Diamond Workers Union
- VP Textile Workers Union
- Thai Pattana Paper Thailand Workers Union
- Narong Thai Industrial Workers Union
- Sri Thai Food Products Workers Union
- SC Carier Labour Union
- Apex Labour Union
- Thai Negoro Supervisory Labour Union
- Hatek Seng Textile Labour Union
- Kuang Hong Supervisory Labour Union
- Fresh Food Producer Workers Union
- Ropakorn Supervisory Labour Union
- SC Service Laobur Union
- Golden Thai Workers Union
- Mettechno Thailand Workers Union
- Agricultural Products Workers Union
- Atec Computer Manufacturing Labour Union
- AAL Labour Union of Thailand
- Leshin Industrial Workers Union of Thailand
- Techno Daiva Workers Union
- Songserm Sunden Workers Union
- Nitto Kenko Workers Union
- Pawnshop Labour Union
- Telecommunacation Authority State Enterprise Workers Union of Thailand
- Postal office Labour Union
