Information Assurance Officer
Independent Assessment Office
Information Activities Officer
Insurers' Advisory Organization
Internal Automation Operation
Intra-Office SONET signal
I am out
IA Global, Inc.
immediately after onset
In and Out
In and out of clouds
Indiana Academy of Ophthalmology
Individual Assistance Officer
Industrial Applications Office
Information Awareness Office
Input-Analysis-Output
Institut fuer Arbeitswirtschaft und Or…
Institutional Affairs Office
Instituto Agronomico per l'Oltremare
Instrumentation Application Operation
Insurers' Advisor Organization
Interim Approval to Operate
intermittent aortic occlusion
International Activities Office
International Announcement of Opportun…
International Association for Orthodon…
International Association of Orthodont…
Internet Application Object
Isis Apophis Osiris
NOAA International Activities Office