SEIU Local 668 is Pennsylvania’s social service employees union representing 20,000 workers in all counties in the state. We work in state, county and local government, as well as in the private sector. We deliver human services to the most vulnerable populations in the state, including children, the elderly and people with mental illness and developmentally disabilities. We are social workers, caseworkers, prison counselors, 911 operators, career and employment specialist, unemployment compensation examiners and interviewers, school psychologists, nutritionists, vocational counselors, youth counselors and occupational therapists.