Thought these might be helpful, in light of recent events:

GLBT National Help Center - http://www.glnh.org/index2.html
Hotline 1-888-843-4564
Youth Talkline 1-800-246-7743
Also offers Online Peer-Support Chat

Trevor Project - http://www.thetrevorproject.org
Hotline 866-488-7386

GLBTNearMe.org - links to national and local resources, the national section, especially, has links to more support lines and organizations