International Islamic Relief Organization (IIRO)

International Network of Engineers and Scientists for Global Responsibility (INES)

International Peace Bureau (IPB)

International Progress Organization (IPO)

International Socialist Organization (ISO)

International Solidarity Movement (ISM)

Interreligious Foundation for Community Organization (IFCO)

Iraq Action Coalition (IAC)

Iraq Occupation Watch (IOW)

Iraq Peace Fund (IPF)

Iraq Veterans Against the War (IVAW)

ISAIAH

Islamic Academy of Florida (IAF)

Islamic Amal (IA)

Islamic American Relief Agency (IARA)

Islamic American University (IAU)

Islamic Assembly of North America (IANA)

Islamic Association (IA)

Islamic Association for Palestine (IAP)

Islamic Book Service (IBS)

Islamic Center of America (ICA)

Islamic Center of Boca Raton (ICBR)

Islamic Center of Raleigh (ICR)

Islamic Centers Division (ICD)

Islamic Circle of North America (ICNA)