Service Employees International Union

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The Service Employees International Union is a nonprofit organization with a goal of improving jobs for workers in health care, public service, building service and industrial and allied sectors throughout the United States. Members of SEIU work as nurses, doctors, social service workers, building cleaners, police and corrections officers, librarians, Head Start employees, maintenance workers, lab technicians and nurse assistants. A majority of members are women and approximately 20 percent are African American. SEIU also represents a large number of immigrant workers. There are more than 300 SEIU local affiliates and 25 state councils. Headquartered in Washington, D.C., the organization was originally chartered as the 'Building Service Employees International Union' (BSEIU) by the AFL in 1921.