I&A: Office of Intelligence and Analysis
I&M: Inventory and Monitoring
IA: Import Administration
IAB: Institut für Arbeitsmarkt- und Berufsforschung der Bundesagentur für Arbeit
IAC: Interagency Advisory Council
IACB: Indian Arts and Crafts Board
IADRWG: Interagency Alternative Dispute Resolution Working Group
IAEA: International Atomic Energy Agency
IAEGC: Inter-Agency Electronic Grants Committee
IAF: Inter-American Foundation
IAIP: Infrastructure Analysis and Infrastructure Protection
IBB: International Broadcasting Bureau
IBET: Integrated Border Enforcement Teams
IBRC: Innovative Bridge Research and Construction
IBRD: International Bank for Reconstruction and Development
IC: Incident Commander
IC3: Internet Crime Complaint Center
ICAF: Industrial College of the Armed Forces
ICAO: International Civil Aviation Organization
ICBEMP: Interior Columbia Basin Ecosystem Management Project
ICC: Interstate Commerce Commission
ICDR: Interagency Committee on Disability Research
ICE: Immigration and Customs Enforcement
ICH: Interagency Council on Homelessness
ICITAP: International Criminal Investigative Training Assistance Program
ICP: Incident Command Post
ICP: Inventory Control Point
ICS: Incident Command System
IDA: International Development Association
IDB: Inter-American Development Bank
IES: Institute of Education Sciences
IFC: International Finance Corporation
IGA: Intergovernmental Affairs
IHA: Indian Housing Authority
IHS: Indian Health Service
IIC: Inter-American Investment Corporation
IIMG: Interagency Incident Management Group
IIP: Bureau of International Information Programs
IIP: International Information Programs
ILAB: Bureau of International Labor Affairs