Imagery Reporting and Exploitation Station (SAUO)
Infrared Emission Spectroscopy (SAUS)
Institute for Resource and Environmental Studies - Dalhousie University - Canada - Research center (RCD)
Insurance Regulatory Examiners Society - Association (EA)
Intercultural and Etnic Studies (SAUO)
Internal Ribosomal Entry Site - Genetics
Internal Ribosome Entry Sequence - To 21st site sequence
IOC - Intergovernmental Oceanographic Commission Group of Experts on Oceanographic Research as It Relates to IGOSS - Marine science (MSC)