- Geo. W. Morahn (Firm)
- Geo. W. Park (Firm)
- Geo. W. Park Seed Co.
- Geo. W.P. Jerrard Co.
- Geo. Wittbold (Firm)
- Geo. Wittbold Co.
- Geo. Witthold Co.
- Geoexplorers International, Inc.
- Geoffrey John Kerrich
- Geoffroy Saint-Hilaire, Etienne, 1772-1844
- Geoffroy Saint-Hilaire, Isidore, 1805-1861
- Geoffroy, M. (Etienne-Louis), 1725?-1810
- Geoffroy, Etienne-François, 1672-1731
- Geoffroy, Jean-Jacques
- Geoghegan, Irene E
- Geograficheskoe obshchestvo SSSR
- Geograficheskoe obshchestvo SSSR. Aralskaia ekspeditsiia.
- Geographic Dynamics Corp.
- Geographic Society of Chicago.
- Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
- Geographical Society of Baltimore.
- Geographical Surveys West of the 100th Meridian (U.S.)
- Geographische Gesellschaft in Bremen.
- Geographische Gesellschaft in Lübeck
- Geological and Agricultural Survey of Texas.
- Geological and Geographical Survey of the Territories (U.S.)
- Geological and Natural History Survey (Wis.)
- Geological and Natural History Survey of Canada.
- Geological and Natural History Survey of Minnesota.
- Geological and Polytechnic Society of the West Riding of Yorkshire.
- Geological Museum (Cairo, Egypt)
- Geological Society of America.
- Geological Society of America. Meeting DeKalb, Ill.) 1972-
- Geological Society of America. Meeting Northern Illinois University) 1985-
- Geological Society of America. North-Central Section. Meeting DeKalb, Ill.) 1972-
- Geological Society of America. North-Central Section. Meeting Northern Illinois University) 1985-
- Geological Society of London
- Geological Society of London. Library.
- Geological Society of Norfolk.
- Geological Society of Pennsylvania.
- Geological Survey (U.S.)
- Geological Survey (U.S.). Area Oil Shale Supervisor's Office.
- Geological Survey (U.S.). Biological Resources Division.
- Geological Survey (U.S.). National Mapping Division.
- Geological Survey (U.S.). Water Resources Division.
- Geological Survey of Alabama.
- Geological Survey of Alabama. Museum.
- Geological Survey of Arkansas.
- Geological Survey of California.
- Geological Survey of Canada
- Geological Survey of Canada. Herbarium.
- Geological Survey of Canada. Museum.
- Geological Survey of Great Britain.
- Geological Survey of India.
- Geological Survey of India. Museum.
- Geological Survey of Missouri.
- Geological Survey of New Jersey.
- Geological Survey of New South Wales.
- Geological Survey of Ohio.
- Geological Survey of Pennsylvania.
- Geological Survey of Texas.
- Geological Survey of the Territories (U.S.)
- Geological Survey of the United Kingdom
- Geological Survey of Victoria.
- Geological Survey of Wyoming.
- Geologicheskiĭ institut (Akademii͡a nauk SSSR)
- Geologische Landesanstalt von Elsass-Lothringen.
- Geologische Staatsanstalt (Austria)
- Geo-Marine, Inc.
- Georg Egger (Firm)
- Georg Ulricher.
- Georg, W
- George & M.J. Hochderffer.
- George A. Comley (Firm)
- George A. Martin (Firm)
- George A. Morse (Firm)
- George A. Sweet (Firm)
- George A. Sweet Nursery Company.
- George A. Weaver (Firm)
- George and Ana Hunsberger.
- George and Anna Hunsberger (Nursery)
- George Atkinson (Firm)
- George B. Cellon (Firm)
- George B. Earhardt (Firm),
- George B. Moulder (Firm)
- George Bell & Sons,
- George Brothers.
- George Bunyard & Co.
- George C. Killinen (Firm)
- George C. Mitchell (Firm)
- George C. Roeding (Firm)
- George C. Watson (Firm)
- George Cox & Co.,
- George D. Aiken (Firm)
- George E. Baldwin, Inc.,
- George E. Millen (Firm)
- George E. Stein & Son (Firm)
- George E. Stein & Son.
- George Frank & Son.
- George G. Wirt (Firm)
- George Gould & Son.
- George H. Chisholm (Firm)
- George H. Mass (Firm)
- George H. Peterson (Firm)
- George H. Peterson, Inc.
- George H. Price (Firm)
- George H. Price, Seedsman (Firm)
- George H. Ray (Firm)
- George H. Saxe (Firm)
- George H. Souter (Firm)
- George H. Walker (Firm)
- George H. Whiting (Firm)
- George Hall (Firm)
- George Hollis (Firm)
- George J. Ball (Firm)
- George J. Joerg (Firm)
- George J. Joerg, Inc.
- George J. Nicht (Firm)
- George L. Ehrle (Firm)
- George L. Ehrle (Firm).
- George L. Knight (Firm)
- George L. Stillman (Firm)
- George L. Stillman (Firm),
- George Lawler (Firm)
- George Lawler (Firm),
- George Martin (Firm)
- George Martin Nurseries.
- George Mueller (Firm)
- George Parker & Sons.
- George Pearson (Firm),
- George Philip & Son,
- George R. Murray (Firm)
- George R. Pedrick & Son.
- George R. Pedrick (Firm)
- George R. Schauber (Firm)
- George Rennie (Firm)
- George Rennie Farm.
- George Richardson (Firm)
- George Routledge and Sons
- George S. Blanchard & Co.,
- George S. Josselyn (Firm)
- George Smith & Sons.
- George Spitzer (Firm)
- George Such (Firm)
- George Tong (Firm)
- George Vestal (Firm)
- George W. Campbell (Firm)
- George W. Fraser (Firm)
- George W. Hartline & Sons
- George W. Hill and Co.
- George W. Hunter (Firm)
- George W. P. Jerrard (Firm)
- George W. Park (Firm)
- George W. Park Seed Co.,
- George W. Peyton (Firm)
- George W. Smith (Firm)
- George W. Young Company,
- George W. Young Company.
- George W.H. Soellner (Firm)
- George W.P. Jerrard Co.
- George W.P. Jerrard Company.
- George Wolfrum (Firm)
- George, A S
- George, Alexander S. 1939-
- George, C M
- George, C P
- George, C R P
- George, C. W. (Charles W.)
- George, Catherine
- George, Chris D.
- George, Christian
- George, David A
- George, Donald A., 1928-
- George, Dwayne
- George, E P
- George, E. S.
- George, Elizabeth Anne 1935-
- George, Eric Alan 1920-
- George, Ernest J. (Ernest John), 1898-
- George, Frank L.
- George, George
- George, Graeme G.
- George, Gregory
- George, J C
- George, J David
- George, James I.
- George, Jay R.
- George, Jeremiah N
- George, John C
- George, John Craighead
- George, John L
- George, Joseph
- George, Kadakasseril V
- George, Kai Horst
- George, Kevin
- George, Les
- George, Lucienne
- George, Luiz Ludovico
- George, M
- George, M. John
- George, N
- George, N J
- George, Natalie R.
- George, P C
- George, P V
- George, Paul
- George, R S
- George, R W
- George, Richard H
- George, Richard J
- George, Richard L.
- George, Robert J.
- George, Robert Y
- George, Ronnie R.
- George, Sanil
- George, Sarah B.
- George, Satheesh
- George, Sophie B.
- George, T Neville
- George, Ted M.
- George, Timothy K.
- George, Varughese, 1948-
- George, W C
- George, William Gordon, 1925-
- George, Wilma
- Georgel, C. Todd
- Georgen Melantrich von Auentin.
- George-Nascimento Mario
- Georges, Alain-J.
- Georges, Anita
- Georges, Arthur
- Georges, G
- Georges, Isabel
- Georges, Juliana Andrea de Oliveira
- Georges, Lucienne
- Georges, Stan
- Georgeson, Eric
- Georgevitch, Peter
- Georgi, Carl, active 1840-1890
- Georgi, Daniel T. (Daniel Taylan), 1948-
- Georgi, Johann Gottlieb, 1738-1802
- Georgi, Todd A
- Georgia Botanical Society.
- Georgia Experiment Station.
- Georgia Melon Seed Co.
- Georgia Midland Nurseries.
- Georgia Nursery.
- Georgia State College Of Agriculture. Extension Division.
- Georgia, Ada Eljiva, 1859-
- Georgia, Ada Eljiva, 1859-