Alphabetically Union List - G
- G K N connection Labour Union
- G S Ceramics Workers Union
- Gardenia Workers Union
- Gargment Producer Labour Union
- Garment Employees Union of Thailand
- Garment Enterprises Workers Union
- Garment Labour Union
- Garmetn and Textile Labour Union
- Gas and Metalergic Products Workers Union
- Gas Metal Tang Bangkok Workers Union
- Gas Station Supervisory Labour Union
- Gas Station Workers Union
- Gas Tank Industry Labour Union
- Gate Gourmet Employees Union of Thailand
- Gate Unita Worker's Union
- Gem Producer Labour Union of Thailand
- General Coating Workers Union
- General Hospital Products Workers Union
- General Motors Workers Union Thailand
- GK Thailand Workers Union
- Glass Products Workers Union of Thailand
- Glassware Thailand Worekrs Union
- GLOBAL FLEET SALES WORKERS
- Global Thailand Workers Union
- Gold Mine Workers Union
- Gold Place Samphan Workers Union
- Golden Dragon Workers Union
- Golden Thai Workers Union
- Golden Tour Thailand Workers Union
- Golf Court Enterprise Workers Union
- Golf Sevice Business Workers Union
- Goods Transportation of Songkla Workers Union
- Goods Transportation Workers Union
- Govermment Pharmaceutical Organization State Enterprise
- Government Saving Bank Labour Union
- Green Line Workers Union
- Green Sports Middle Management Workers Union
- Green Sports Workers Union
