- McGraw-Hill Ryerson
 - Whitby - Publishing company seeks to serve the information and entertainment needs of Canadians. - Coach House Books
- Toronto - Bringing new and classic Canadian literature, including poetry and fiction, to a global market. Site includes online texts.
- CG Publishing, Inc.
- Burlington - Offers music books and NASA mission reports.
- Metroland
- Toronto - Publisher of 24 community newspapers in the Greater Toronto Area and distributor of advertising and promotional materials, web printer.
- Canada Law Book Inc.
- Aurora - Offers catalogue of publications, and information on order placement.
- Insomniac Press
- Toronto - Canadian small press publisher of fiction, poetry, and non-fiction with an urban bent.
- Kids Can Press
- Toronto - Publishes a range of books for young readers.
- Annick Press
- Toronto - Publisher of notable authors like Robert Munsch, Sue Farrell, and Hazel Hutchins.
- Irwin Law
- Toronto - Publishing series and individual books for students and professionals focused on Canadian law.
- Master Point Press
- Toronto - Publisher of books on bridge and other games.
- Key Porter Books
- Toronto - Independent trade publisher in subjects including art, photography, finance, Canadian history, science, and more.
- I Box Publishing
- Toronto - Publisher of Thieves and Kings.
- Stage Kids The Edu-Tainment Company
- Toronto - Educational, entertaining theatre scripts for school musicals, plays, youth theatre.
- Dundurn Group
- Toronto - Owns the imprints Hounslow Press, Simon and Pierre, and Boardwalk Books.
- Canadian Scholars' Press
- Toronto - Provides instructors at the post-secondary level with a variety of academic materials.
- Captus Press Inc
- North York (Toronto) - Offers Internet learning resources, post-secondary, scholarly, non-fiction trade, and professional books.
- Longwoods Publishing Corporation
- Toronto - Publishes: Hospital Quarterly, LegalFocus on Property and General Liability Insurance, Focus on Canadian Municipal Assessment and Taxation, The CAJAD Business Review.
- Canadian Packaging
- Toronto - The magazine of the Canadian packaging industry.
- Mendon Associates Inc.
- Toronto - Provides in-house circulation fulfillment software, readership research and contract publishing solutions for publishers of periodicals.
- Riverwood Publishers Ltd.
- Newmarket - Canadian book publisher and distributor.
- Full Bleed Studios
- Toronto - Features images, information on Pitt, and animated images.
- BookSoft
- Mississauga - High school students and teachers can work together to create multimedia yearbooks on CDROM: includes software, guides, support.
- Green Dragon Press
- Toronto - Specializes in women's history and equity issue materials including the latest information about harassment prevention in books, videos, curriculum materials and posters.
- Look, it's easy! Inc.
- Toronto - Publishers of office software reference guides. Located in Weston, ON.
- Oasis Press
- Toronto - Publisher of children's books by Canadian author Allen Morgan.
- pas de chance
- Toronto - Toronto publishing house that brings zine art to a new level.
- Fisherman Press
- Brampton - Offering messages from the Christian book Seasons of the Heart.
- Wittenburg Publications
- Toronto - Features fundamental, Protestant and Reformed books and tracts for sale
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