We are the Service Employees International Union, an organization of 2.1 million members united by the belief in the dignity and worth of workers and the services they provide and dedicated to improving the lives of workers and their families and creating a more just and humane society.

- SEIU Mission Statement

About SEIU

The Service Employees International Union (SEIU) unites 2.1 million diverse members in the United States, Canada and Puerto Rico. Focused on uniting workers in three sectors to improve their lives and the services they provide, SEIU is:

  • The largest healthcare union, with more than 1.1 million members in the field, including nurses, LPNs, doctors, lab technicians, nursing home workers, and home care workers.
  • The largest property services union, with 225,000 members in the building cleaning and security industries, including janitors, security officers, superintendents, maintenance workers, window cleaners, and doormen and women
  • The second largest public services union, with more than 1 million local and state government workers, public school employees, bus drivers, and child care providers

Vision for a Just Society

We believe in and will fight for a just society:
Where all workers are valued and all people are respected.
Where all families and communities thrive.
Where we leave a better and more equal world for generations to come.

History of SEIU

SEIU's commitment to building a fair economy, providing workers a voice on the job, fighting for equality and ensuring that all working people can live with dignity spans the union's 90 year history. Read more →

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