- British Waterways Board
- Capability Scotland
- Gas Branch Scotland
- NHS 24 Branch
- Police Staff Scotland Branch
- Quarriers Homes
- Scottish Ambulance Service Branch
- Scottish Children’s Reporters
- Scottish Electricity
- Scottish Fire and Rescue Branch
- Scottish Healthcare Branch
- Scottish Qualifications Authority Branch
- Scottish Regulation of Care Branch
- Scottish Water Branch
- SEPA Branch
- Skills Development Scotland Branch
- SSE Scotland
- UNISON Scotland Further Education Branch
Scotland's biggest and liveliest public service trade union, representing workers delivering public and related services across Scotland.