Marken: G
- Gribaudo
- Gridman Universe
- Griebel, Stephan
- Griechenland
- Gries, Sarah Kim
- Grieshaber
- Griffel Verlag
- Griffin
- Griffin Brothers, The
- Griffin, Buck
- Griffin, Johnny
- Griffith Moon Publishing
- Griffith, Nanci
- Griffiths, Bede & Ropers, Roland R.
- Griffiths, Elly
- Griggs, Steve
- Grigorcea, Dana
- Grijalbo
- Grillesino
- Grillo Parlante
- Grim B
- Grim Reepers
- Grima
- Grimes, Tiny
- Grimey
- Grimm, Jacob & Grimm, Wilhelm
- Grimm, Sandra
- Grimm, Sandra & Volk, Katharina E.
- Grimm, Tim
- Grimpe GmbH
- Grimscribe Press
- Gringo Comics
- Griot Hörbuch
- GripGrab
- Griplies
- Gripmax
- Grippo, Giovanni Verlag
- Gris Montaigne
- Grisman, David
- Grivel
- Grizz & Fizz
- Groa Verlag
- Grobian Verlag
- Groce, Larry
- Groeper, Kerstin
- Groh Verlag
- Groh, Jan
- Grohsformat
- Grolier Club
- Grolier Club of New York
- Groma Verlag
- Grooming Deluxe
- Grooten, Herman
- Groove Diggers
- Groovenaires, The
- Groovie Goolies
- Groovy
- Groovy UK
- Gropengießer, Harald
- Grosset
- Grosskopf, Harald
- Grossmann
- Grossmann, Carl Verlag
- Grosvenor House Publishing Limited
- Groth
- Grothe
- Ground Culture
- Groundies
- Groundwood Books
- Groundwood Books Ltd ,Canada
- Group Oliveda
- Groupe Antinea
- Groupe SEB WMF Consumer GmbH
- Groupo Erik
- GrovTec
- Grove Atlantic
- Grove Press / Atlantic Monthly Press
- Grove/Atlantic
- Grow Awareness GmbH
- Growatt
- Groß, Constanze
- Groß, Dominik
- Große Wietfeld
- Grub Street
- Grub Street Publishing
- Grub'S
- Grubbe Media
- Grubbe Media GmbH
- Grube, Axel
- Gruber, Denitza
- Gruber, Helmut & Neumann, Robert
- Gruber, Roswitha
- Grubs Boots
- Gruenler, Christian
- Gruffs, The
- Gruhnling Kinderbuchverlag
- Gruhnling Verlag
- Grumpy Seal Books
- Grun, C. P.
- Grunberg
- Grundig
- Grundig Business Systems
- Gruner + Jahr Deutschland GmbH
- Gruner + Jahr Geo-Mairs
- Grunland
- Grup Media Litera
- Grupa
- Grupello
- Grupello Verlag
- Grupo Editorial Bruno, S.L.
- Grupo Erik
- Grupo Nelson
- Gruppe C GmbH
- Gruppo Pritelli
- Gruyter, Walter de GmbH
- Gruyter, de Saur
- Gryan
- Grylls, Vaughan
- Gryphon
- Gryphon House