- American Ethical Union (AEU)
- American Humanist Association
- Coalition of Reason
- Center for Inquiry
- American Civil Liberties Union
- Alternative to Violence Project
- Showing Up for Racial Justice
- The Himanchal Education Foundation
- Amnesty International
- Center for Digital Democracy
- Ethical Action Reports (of the AEU)
- International Darwin Day
- The Humanist – A Magazine of Critical inquiry and Social Concerns
- The International Humanist Ethical Union [IHEU]
- National Ethical Service
- Secular Coalition for America
LOCAL INTERESTS
- ACLU PA Central Susquehanna Chapter
- CommUnity Zone - A place where all members of the community and the organizations that serve them share ideas, talents and resources that contribute to vibrant, caring and connected community
- The Spectrum Alliance is a 501(c)(3) Nonprofit Organization that was created by individuals who were seeking greater resources for LGBTQ members of the Williamsport community. We believe that strengthening the individual empowers the community as a whole. As such, we strive to get to know every one who attends our meetings, and help them find their own strength and happiness.
- (RE)creating You Clinical Services & Training develops trainings for mental health care professionals and businesses looking to improve their clinical care and to create a transgender friendly workplace.
- Susquehanna Valley Progressives
- Linn Conservancy
- Susquehanna Valley CASA - Court Appointed Special Advocates for Children
