- Association of Fundraising Professionals Greater Houston Chapter
- Houston Area Independent Schools
- Greater Houston Community Foundation
- Houston Arts Alliance
- Volunteer Houston
- Houston Wilderness
- Association of Professional Researchers for Advancement Greater Houston Chapter
- Houston Association of Volunteer Administrators
- Executive Service Corps of Houston
- Nonprofit Leadership Alliance (formerly American Humanics) at the University of Houston
- United Way of Greater Houston
- Rice University – Center for Civic Engagement, Community Involvement Center, Jones Graduate School of Business, Jones School Board Fellows
On campus classes and activities for today, Sept. 20, have been canceled.
Normal campus operations at Rice University will resume Saturday, Sept. 21.