Several post-secondary institutions in Canada and the U.S. have established their own instances of Pressbooks and, many, host a catalogue of open textbooks and other OER within that instance. Several of these are listed below alphabetically by province or state.

CANADA

Alberta

• Athabasca University: Faculty of Health Disciplines
• University of Alberta: Open Publishing at UAL

British Columbia

• BCcampus: BC Open Textbooks and BC Faculty Pressbooks
• Kwantlen Polytechnic University catalogues: Open Education and Continuing & Professional Studies
• Thompson Rivers University Pressbooks
• Trinity Western University

Nova Scotia

• Dalhousie University Libraries Digital Editions

Ontario

• Carleton University Pressbooks publishing system
• eCampusOntario: Open Library Publishing Platform
• Ryerson University Pressbooks
• University of Toronto Open E-Text
• York University Pressbooks

Prince Edward Island

• University of PEI: Pressbooks at the Robertson Library

Quebec

• Rebus Press

Saskatchewan

• University of Saskatchewan: OpenPress.USask.ca

UNITED STATES

California

• UC Berkeley Open Book Publishing

Hawai’i

• University of Hawai’i Pressbooks

Indiana

• Indiana University Pressbooks

Iowa

• University of Iowa Pressbooks

Minnesota

• Minnesota Libraries Publishing Project

New Hampshire

• Pressbooks @ Granite State College

New York

• Open SUNY Milne Publishing

Ohio

• Cleveland State University: Pressbooks @MSL (Michael Schwartz Library)
• The Ohio State University Pressbooks

Oregon

• Open Oregon Educational Resources
• Oregon State University Open Textbooks

Texas

• University of Houston Open Educational Resources
• University of Texas at Arlington: Mavs Open Press

Washington

• University of Washington Libraries: Pressbooks Publishing Platform

Wisconsin

• University of Wisconsin Pressbooks