IADB

Inter-American Defense Board

IAEA

International Atomic Energy Agency

ICAF

Industrial College of the Armed Forces

CAO

International Civil Aviation Organization

ICC

Interstate Commerce Commission

ICM

Intergovernmental Committee for Migration

IDA

International Development Association

IDCA

United States International Development Cooperation Agency

IFC

International Finance Corporation

IMF

International Monetary Fund

INS

Immigration and Naturalization Service

INTERPOL

International Criminal Police Organization

IRS

Internal Revenue Service

ITA

International Trade Administration

ITU

International Telecommunications Union