Glyceric Acid - Biochemistry
Gabriel Richard Institute (EA)
Gale Research, Inc.
Gallaudet Research Institute - Gallaudet College - Research center (RCD)
Gamma Ray Imaging Telescope System (SAUS)
Gamma Ray Inspection
Gas Research Institute (EA)
Gear Research Institute (RCD)
General Religions International (SAUS)
General rules of interpretation (SAUS)
Generic Run-Time - Computer science
Geographical Review of lndia - A publication (SAUS)
Geophysical Research Institute - University of New England, Australia
George Risk Industries, Inc. (EFIS)
Geoscience Research Institute
Geothermal Resources International (SAUO)
Getty Research Institute - Research center (RCD)
Ghari - Language code (ETLW)
Gidley Research Institute - Research center (RCD)
Ginseng Research Institute (EA)
Glasgow Royal Infantry (SAUO)
Glasshouse Research Institute (SAUO)
Glider Developments, Inc. - Vancouver Stock Exchange symbol
Global Readiness Index
Goodwin Railroad - Federal Railroad Administration identification code
Gospel Recordings, Inc.
Government of the Ryukyu Islands
Government Reports Index - Formerly, USGRDR-I - Department of Commerce
Government Research Index (MCD)
Graduate Realtors Institute
Grand Island - Nebraska - Airport symbol (OAG)
Graphical Interactive Display (SAUS)
Grassland Research Institute - Research center - British (IRC)
Grassroots International (EA)
Gravure Research Institute - Later, GAA (EA)
Green River, UT - Amtrak rail station code
Grieder - NCIC firearms make code (NCIC)
Gristede's Sloan's - AMEX symbol - Formerly, Sloan's Supermarkets (SPSG)
Groupe de Recherche et d'Intervention en Ideologie - Universite du Quebec a Montreal - Canada
Group Repetition Interval (IEEE)
Gryphon Marine, Signal Hill, CA - Manufacturer code for watercraft hull identification number (USCG)
Guaranteed Retirement Income