IDPF (International Digital Publication Forum): http://www.idpf.org/
IEEE (Institute of Electrical and Electronics Engineers): http://www.ieee.org/
IEEE: 802.11 (standard): http://ieee802.org/11/
IEEE: 802.16 (standard): http://ieee802.org/16/
IETF (Internet Engineering Task Force): http://www.ietf.org/
IFJ (International Federation of Journalists): http://www.ifj.org/
IFLA (International Federation of Library Associations): http://www.ifla.org/
IFLA: Electronic Collections: http://www.ifla.org/II/
IIPA (International Intellectual Property Alliance): http://www.iipa.com/
ILAB (International League of Antiquarian Booksellers): http://www.ilab-lila.com/