Public and Welfare Services Union
All the unions were affiliated to the Central Organisation of Finnish Trade Unions, and the JHL also affiliated. With 230,000 members, it was the biggest union in Finland. In 2008, the Non-Commissioned Officers' Union merged into the JHL, while the Railway Workers' Union joined at the start of 2012.
- 2006: Tuire Santamäki Mountain
- 2011: Jarkko Eloranta
- 2016: Päivi Niemi-Laine