Chronological order Union List (based on registered year) - 2000
- Yawata Workers Union
- Thai Military Bank Workers Union
- UOB Rattanasin Bank Workers Union
- Standards Chartered Nakhondhon Bank Workers Union
- Colour Lux Ruamjai Workers Union
- Thai Hotel Workers Union
- Thai Submakers Workers Union
- Honda Affiliation Thailand Workers Union
- Navarat Workers Union
- Track Team Workers Union
- Union of Producers and Sevice Providers
- Gate Gourmet Employees Union of Thailand
- Professional Guide Wokers Union of Thailand
- Paper Pump Workers Union of Thaialnd
- TPI Executive Workers Union
- Thai ABS Executive Labor Union
- Thai ABS Workers Union
- TPI Polyal Executive Worekrs Union
- TPI Polyal Workers Union
- Almond Labour Union
- Rayong TPI Service Workers Union
- Master Toys Workers Union
- Saha Viriya Samphan Labour Union
- SVI Elastomer Labour Union
- Paraworld Furniture Workers Union
- Tatung Samphan Workers Union
- The Labour Union of Slabody
- Sengthai Brassware Thailand Wokers Union
- Bangkok Inudstrial Gas Workers Union
- Tatung Samphan Supervisory Labour Union
- BJKC Workers Union
- Iron Pipe Labour Union
- Ong Sopisai Labour Union
- Sopisai Garment Workers Union
- Buri Garment Thailand Workers Union
- Monmi Workers Union
- Noble Precision Thailand Workers Union
- Breezeway Navanakhon Workers Union
- Daichin Group Workers Union
- Lagoona Beach Resort and Hotel Business Phuket Workers Union
- Golf Sevice Business Workers Union
- Mitsamphan 2000 Workers Union
- Kawasiki Automobile Thailand Workers Union
- Yan Wo Yun Labur Union
- Siam City cement labour union
- Shinanokenshi (Thailand) Supervisory Labour Union
- Thai Cavaken Thailand Workers Union
- Thai Central Steel Supervisory Labour Union
- Train Airconditioning Thailand Workers Union
- Fusion Code Workers Union
- SKM Engineering Labour Union
- Metallic Workers Union of Thailand
- Sea Transportation Thailand Workers Union
- Toyota Executive Labor Union
- Gas and Metalergic Products Workers Union
- Mollige Health Care Workers Union
- Mail House Workers Union of Thailand
- Hayakawa Labour Union
- Mintech Workers Union
- Kor Siam Workers Union
- Far East Garment Workers Union
- Summit Auto Body Industry Workers Union
- Phinmore Workers Union
- Chakraval Chemee Worker
- Chippomotis Thailand Workers Union
- Johnson Electrict Workers Union
- Asahi Thai Alloy Labour Union
- Siam IKK Labour Union
- Life and Asset Guardian Labour Union
- Esco Labour Union
- Ruamjai SAC Workers Union
- Thai Text Thailand Workers Union
- Computer Parts Producers Labor Union
- Thai Falcon Thailand Workers Union
- Yenthong Workers Union
- Benjarat Workers Union
- Plastic Product Enterprise Employees Union
- Ruamjai Workers Union
- AP National SalesLabour Union
- Infus Medical Products Labour Union
- Ampass Labour Union of Thailand
- Srithong Electronchemical Workers Union
- Saha Thai Engine Partition Labour Union
- S&CC Labur Union
- Medcing and Medecal Supplies Labour Union
