March for Life ~ Organizes and runs the annual march for life each January in Washington, DC.
American Life League ~ ALL tackles all aspects of pro-life issues and offer how-tos, news, and ways to get involved in the pro-life movement.
Life Legal Defense Foundation ~ As its name suggests, Life Legal Defense Foundation is an organization of volunteer attorneys who deal with life issues from a legal standpoint.
Focus on the Family ~ Focus on the Family is a well-known Christian ministry dealing will all issues of family life.