Alphabetically Union List - P
- PA Workers Union
- Pacific Textile Labour Union of Thailand
- Pacific Tour Workers Union of Thaialnd
- Paed Rieu Eggs Workers Union
- Pan Asia Paper Thai Workers Union
- Pan Inter Navanakhon Workers Union
- Pan International Electronic Workers Union
- Panasonic Thailand Worker
- Pangthip Workers Union
- Panjapon Carten Workers Union
- Paolo Memmorial Hospital Workers Union
- Paper and Publication Industry Labour Union
- Paper Bag Connection Labour Union
- Paper Pump Workers Union of Thaialnd
- Paraworld Furniture Workers Union
- Pargarment Workers Union
- Pathum Thani Paper Workers Union
- Patraree Factory Workers Union
- Pawnshop Labour Union
- Payao Thanuthong Workers Union
- PC Act Workers Union
- PCC Wood Workers Union
- PCL Employees Union of Thailand
- PEC Thailand Workers Union
- Personel Consignment Workers Union
- Pet Product Workers Union
- PET Thailand Workers Union
- PGK Workers Union of Thailand
- Pharmaceutical Industry Labour Union
- Phayathai 2 Workers Union
- Phelps Dodge Thailand Workers Union
- Philip Semi-Conductor Workers Union
- Philips Electric Workers Union of Thailand
- Phinmore Workers Union
- Phoenix Workers Union
- Phongtham Workers Union
- Phuke Island Workers Union
- Phuket Hotel Workers Union
- Phuket Pavillian Workers Union
- Phuket Yaught Club Workers Union
- Pijuse Holding Workers Union of Thailand
- Pillar Enterprise Employees Union
- PIM Workers Union
- Pine Hurst Workers Union
- Pinshine Workers Union
- Pipat Samphan Workers Union
- Pipatpong Workers Union
- Plastic Appliances Workers Union
- Plastic Fibre Workers Union
- Plastic Flower Producer Labour Union
- Plastic Industry Union
- Plastic Pigment Producer Workers Union
- Plastic Producer Workers Union of Thailand
- Plastic Product Enterprise Employees Union
- Plastic Products Workers Union of Thailand
- Plastic Sag Weaving Workers Union
- Plastic Textile Labour Union of Thailand
- Plastic Transport Workers Union
- Plastimer Samphan Workers Union
- PMT Workers Union
- Polyfoam Kanayama Appliance Workers Union
- Polymer Plastic Samphan Workers Union
- Polytech Industry Workers Union
- Porcelain Painting Workers Union
- Posa Thailand Workers Union
- Postal office Labour Union
- Power Line Products Workers Union
- Power Run Workers Union
- Prax Air Workers Union
- Premium Steel Processing Labour Union
- Premwin Workers Union
- President Toy Workers Union
- Press Home Workers Union
- Primacy Workers Union
- Prime Box Workers Union
- Printing Packaging Industry Labour Union
- Prior Workers Union
- Processed Wood and Furniture Workers Union
- Produce and Sellig Food Workers Union
- Product Land Transport Workers Union
- Product Standard Inspection Workers Union of Thailand
- Professional Guide Wokers Union of Thailand
- Pronec Electronic Labour Union
- Property Care Service Workers Union
- Property Transport Supervisory Workers Union
- Provincial Electricity Authority State Enterprise Employees' Association (PEASEA)
- Provincial Waterworks Authority State Enterprise Employees' Association (PWASWA)
- Public Warehouse Organization Workers Union
- Pure Kemm Workers Union
