What does GRO stand for?

Gamma Ray Observatory - NASA (EGAO)

Gasoline Range Organic - Chemistry

Gasoline Range Organics

General Register Office - British

General Routine Order

George E. Rose Co. - NCIC firearms make code (NCIC)

Gerona - Spain - Airport symbol (OAG)

Global and Remote Observations Section (SAUS)

Government Reform and Oversight Committee - House of Representatives (AAGC)

Grandparents Rights Organization (EA)

Graphics Reporting Option - Computer science (CIST)

Graves Registration Officer - Military

Great River Boat Shop, Stony Creek, NY - Manufacturer code for watercraft hull identification number (USCG)

Greensboro, NC - Amtrak rail station code

Greenwich Royal Observatory - British (BARN)

Groma - Language code (ETLW)

Gross (MSA)

Ground Risks Only - Insurance (AIA)

Group (WGA)

Group Reference Point (SAUO)

Grove

Grow Group, Inc. (SAUO)

Growth Investment Corp. - Toronto Stock Exchange symbol

Growth-Related Protein (DMAA)

Grozny - Former USSR - Seismograph station code, US Geological Survey (SEIS)

Lineas Aereas Allegro SA de CV - Mexico - ICAO designator (FAAC)

Mississippi Chemical - NYSE symbol

Rota Island, TT - Location identifier - FAA (FAAL)

Glycerol - Biochemistry

Gross' Select Cases Concerning the Law Merchant - Selden Society - A publication (DLA)

Grotius' Rights of War and Peace - Many eds. - 1625-1901 - A publication (DLA)