Other
Concern Usa: Worldwide
"Non-denominational, voluntary organization committed to the relief, assistance and advancement of peoples in need in less developed areas of the world."
Cornell University
Cornell University: Law School: Non Profit Organizations
This site from the Cornell University School of Law defines non-profit organizations and explains the organizational structure and statutes/regulations that control these entities.
Other
World Relief
World Relief is a faith-based, non-profit, relief organization that originated within the National Association of Evangelicals. They work to "relieve human suffering, poverty and hunger worldwide".