NASAS - National Association for Support of Agricultural Students
- National Association for Support of Agricultural Students - Bulgaria. The objective of the Association is to promote the scientific and mutual interests of students and young specialists of agriculture or related fields.
- http://www.nasas-org.com

Open Society Foundation - Sofia
- Aims to support integration of the country into United Europe from a broad civic perspective. Includes priorities, programs, and key national partners.[English/Bulgarian]
- http://www.osf.bg/

Bulgarian Child, Inc.
- Corporation dedicated to helping those children living in Children's homes across that country.
- http://www.bulgarianchild.org/

Internet Rights Bulgaria
- Foundation promotes initiatives relating to the social and human rights sectors in the country.
- http://www.socialrights.org/

Bulgarian-American Society
- A non-profit humanitarian organization founded in 1991 to assist the Bulgarian people as they emerged from decades of communist rule.
- http://www1.cs.columbia.edu/~radev/service/bas/

Center for the Study of Democracy
- Interdisciplinary public policy institute dedicated to the values of democracy and market economy.
- http://www.csd.bg/

Bulgarian Studies Association
- Non-profit scholarly organization promotes the study of and exchange of all aspects of the country and the people.
- http://www.pitt.edu/~bsa/