[NinjaPoodle]

So, here is a current list from the same source:

North-American Interfraternity Conference (NIC) - Conference formed by 75 National fraternities.
National Panhellenic Conference (NPC) - Conference formed by 26 National Greek lettered sororities and women's fraternities.
National Pan-Hellenic Council (NPHC) - Council formed by the 9 largest and most established Black Greek lettered organizations, the Divine Nine.
National Association of Latino Fraternal Organizations (NALFO) - Association formed by 19 of the largest and most established Latino Greek lettered organizations
National APIA Panhellenic Association (NAPA) - Association formed by 10 of the largest and most established Asian Greek lettered organizations.
National Multicultural Greek Council (NMGC) - Council formed by 10 of the largest and most established Multicultural Greek lettered organizations.
National Interfraternity Music Council (NIMC) - Council formed by 7 of the largest and most established Music fraternities and sororities.
United Council of Christian Fraternities & Sororities (UCCFS) - Council formed by 4 Christian fraternities and sororities.
National American Greek Council (NAGC) - Council formed by 12 regional and local fraternities and sororities.
Association of College Honor Societies (ACHS) - Association of 62 National honors and leadership societies.
Concilio Interfraternitario Puertorriqueño de la Florida (Puerto Rican Interfraternity Council of Florida) (CIPFI) - Council formed by the 5 largest fraternities from Puerto Rico with chapters in Florida.
Professional Fraternity Association (PFA) - Association of 37 National collegiate professional, service and honor fraternities

Defunct umbrella orgs (or renamed-restructured)

Interfraternity Conference (IFC) - Organized in 1909. Changed its name to National Interfraternity Conference in 1931.
Association of Pedagogical Sororities (APS) - Organized in 1915. Changed its name to Association of Educational Sororities at its third biennial conference.
Association of Educational Sororities (AES) - Created from the renaming of the Association of Pedagogical Sororities. Later, the word "Educational" was changed to "Education". In 1947, AES dissolved and its member organizations became Associate members of the National Panhellenic Conference (NPC), attaining Full membership four years later in 1951.
Professional Panhellenic Association (PPA) - Organized in 1925. In 1978, it merged with the Professional Interfraternity Conference to create the Professional Fraternity Association (PFA), as a result of the impact of Title IX on most fraternal groups with professional affiliations.
Professional Interfraternity Conference (PIC) - Organized in 1928. In 1978, it merged with the Professional Panhellenic Association to create the Professional Fraternity Association (PFA), as a result of the impact of Title IX on most fraternal groups with professional affiliations.
National Interfraternity Conference (NIC) - Created in 1931 from the renaming of the Interfraternity Conference. Changed its name to North-American Interfraternity Conference in 1999 in order to reflect the organization's Canadian membership.
Concilio Nacional de Hermandades Latinas (CNHL) - Organized in 1996. In 2000, CNHL dissolved and its member organizations became members of the National Association of Latino Fraternal Organizations (NALFO).
Latino Fraternal Council (LFC) - Organized in June 2000 as five Latino fraternities withdrew their respective CNHL or NALFO membership. LFC dissolved in June 2001, after only one year of existence.
Latino Fraternal Caucus (LFC) - Caucus organized within NIC in 2001 by its four Latino fraternity members. Eventually, it dissolved.
Fraternity Leadership Association (FLA) - Organized in 2002 by two fraternities that withdraw their membership in NIC due to a disenchantment with the strategic direction of the organization. They were joined by four other fraternities, which kept dual membership in NIC. Eventually, it dissolved.
Asian Greek Association (AGA) - Organized in 2004. Changed its name to National Asian Greek Council in 2005.
National Asian Greek Council (NAGC) - Created from the renaming of the Asian Greek Association in 2005. After some restructuring, it changed its name to National Asian Pacific Islander American Panhellenic Association (NAPA) in 2006.