Service Employees International Union - SEIU

Nonprofit or community organization

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About us

SEIU is the fastest-growing union in North America. 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

Contact information

Date Founded: 1921


Phone: 202-730-7893

Fax: 202-429-5660

1800 Massachusetts Avenue, NW, Washington, DC, 20036, US

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