The National Panhellenic Conference one of the largest organizations advocating for women, is the umbrella group for 26 national and international sororities that are autonomous social organizations. NPC sororities are located on more than 670 campuses with 380,565 undergraduate members in 3,234 chapters. Alumnae are represented in 3,889 associations throughout the world. NPC was established in 1902 to assist collegiate and alumnae chapters of the NPC member organizations in cooperating with colleges and universities and to foster interfraternal relationships. The National Panhellenic Conference is the premier advocacy and support organization for the advancement of the sorority experience.