National GLBT youth resources:
 
The Trevor Project for GLBTQ Youth
Gay Lesbian Straight Education Network (GLSEN)
Parents, Families & Friends of Lesbians & Gays (PFLAG)
National Youth Advocacy Coalition
Advocates for Youth
OutProud National Coalition for Gay, Lesbian, Bisexual & Transgender Youth
Youth Guardian Services
Oasis Magazine

GLBT youth resources by state: [Submit an organization to the list]

AZ Phoenix One in Ten Youth Services
AZ Tucson Queer Voice
     
CA Arcata Rainbow Youth Coalition
CA Berkeley L.O.U.D. Youth
CA Hayward Lambda Youth Project
CA Los Angeles Los Angeles Youth Supportive Services
CA Pasadena San Gabriel Valley Rainbow Youth Alliance
CA Sacramento GLYA - Gay LDS Young Adults
CA San Francisco Lavender Youth Recreation and Information Center (LYRIC)
     
CO Denver GLYA - Gay LDS Young Adults
CO Denver Rainbow Alley
CO Pueblo Outfront Pueblo
     
CT Hartford Rainbow Room
CT Manchester True Colors Sexual Minority Youth & Family Services
     
DC Washington Sexual Minority Youth Assistance League (SMYAL)
     
FL Miami Pridelines Youth Services
FL Miami Project YES
FL St. Petersburg true expressions
FL Sarasota Also Out Youth
     
GA Atlanta Youth Pride
     
IA Des Moines Youth Alliance
     
IL Chicago Aunt Martha's Youth Service
IL Northfield Pride Youth
     
IN Indianapolis Indiana Youth Group
IN Fort Wayne Horizons Youth Group
     
MA Amherst Pride Zone
MA  Boston Boston Alliance of Gay, Lesbian, Bisexual, Transgendered and Questioning Youth
MA Boston Boston GLASS (Gay & Lesbian Adolescent Social Services)
     
MD Baltimore SAIM: Sufficient As I aM
     
ME Augusta Central Maine Outright
ME Bangor Bangor Outright
ME Ellsworth Downeast Outright
ME Lewiston/Auburn Outright Lewiston/Auburn
ME Portland Portlant Outright
ME Rockland Coastal Outright
     
MN Minneapolis District 202
     
MO Kansas City Passages: Greater Kansas City's GLBTQ Youth Support Group
MO St. Louis Growing American Youth (GAY)
     
NC Charlotte Time Out Youth
NC Raleigh A Safer Place Youth Network
     
NH Concord Concord Outright
NH Portsmouth Seacoast Outright
     
NJ Convent Station Gay and Lesbian Youth in New Jersey (GALY-NJ)
NJ Irvington Destiny's House
NJ Princeton HiTOPS
     
NY Bay Shore Long Island Gay and Lesbian Youth (LIGALY)
NY Bellmore Pride for Youth
NY Buffalo Gay & Lesbian Youth Services of Western New York
NY New York Hetrick-Martin Institute
NY New York LIVE OUT LOUD
NY New York Youth Enrichment Services (Y.E.S.)
     
OH Columbus Kaleidoscope Youth Coalition (KYC)
OH Dayton YouthQuest
     
PA Harrisburg Common Roads
PA Kutztown Allies of Kutztown University
PA Lehigh Valley HAVEN Youth Group
PA Philadelphia Temple University Lambda Alliance
PA Philadelphia The Attic Youth Center
PA Philadelphia University of Pennsylvania LGBT Center
     
RI Providence Youth Pride Inc.
     
TN Memphis Memphis Area Gay Youth
     
TX Austin Out Youth
TX Commerce Rural, Urban & Suburban Youth Outreach Network
     
UT Salt Lake City GLYA - Gay LDS Young Adults
     
VA Richmond Richmond Organization for Sexual Minority Youth
VA Winchester Out N' About Youth
     
VT Burlington Outright Vermont
     
WA Seattle Camp Ten Trees
WA Seattle GLSEN Puget Sound
     
WI Milwaukee Project Q