Publishers – G
- G&D Media
- G2 Entertainment
- Gain Production
- Galison
- Gallaudet University Press,U.S.
- Gallery
- Gallimard
- Gangemi
- Gecko Press
- Gefen Books
- Gemini Editions
- Gemstone Publishing
- Genesis Publications
- Georg Olms Verlag AG
- George F. Thompson
- Georgetown University Press
- Gerald Duckworth & Co
- Getty Publications
- GIA Publications
- Gibson Square Books
- Gigster Publishing
- Giles de la Mare Publishers
- Gilgamesh Publishing
- Gill & Macmillan
- Gill Books
- Gingko Press
- Glitterati Inc
- GlobalArt Affairs
- Globe Pequot Press
- Glocken Verlag
- Golden Books Publishing Company
- Golden River Music
- Goldsmith's Press
- Goldsmiths, University of London
- Goodfellow Publishers
- Goose Lane Editions
- Gordon and Breach
- Gorgias Press
- Gotham Books
- Gower Publishing
- Graffeg
- Graffito Books
- Graham McDonald
- Granary Books
- Grand Central Publishing
- Granta
- Granta Magazine
- Granville Island Publishing
- Graphic Arts Books
- Graphic Universe
- Great Northern Books
- Great Plains Publications
- Green Lantern Press
- Green Magic
- Green Writers Press
- Greenhaven Press
- Greenwich Exchange
- Greenwillow Books
- Greenwood Press
- Greenwood Publishing Group
- Gregory Miller & Company
- Gremese Editore
- Gretsch Enterprises
- Grey House Publishing
- Grey Suit Editions
- Greystone Books
- Griffin Media
- Griffin Publishing
- Grolier Club
- Grosset and Dunlap
- Grosvenor House Publishing
- Groundtable Publishing
- Groundwood Books
- Grove Press
- Guava Press
- Guernica Editions, Canada
- Guild of Master Craftsman Publication
- Guilford Press
- Guilford Publications
- Gwasg y Bwthyn