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
• MacEwan University: MacEwan Open Books
• Open Education Alberta: Library Publishing for Open Textbooks

British Columbia

• BCcampus: BC Open Textbooks and BC Faculty Pressbooks
  • Pressbooks Catalogue of BCcampus published open textbooks
• Kwantlen Polytechnic University: Open Education
• Thompson Rivers University Pressbooks
• Trinity Western University

New Brunswick

• Rutgers University: Pressbooks pilot

Nova Scotia

• AtlanticOER Pressbooks Network
• Dalhousie University Libraries Digital Editions
• NSCC Libraries Pressbooks

Ontario

• Carleton University Pressbooks publishing system
• eCampusOntario: Open Library Publishing Platform
• Ryerson University Pressbooks
• Seneca College Pressbooks System
• University of Guelph Open Books
• 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

Arizona

• Maricopa Open Digital Press (Maricopa Community Colleges)
• UA Open Textbooks (University of Arizona)

Arkansas

• University of Arkansas Libraries

California

• The Claremont Colleges Pressbooks
• UC Berkeley Open Book Publishing

Colorado

• Colorado State University Publishing
• CSU Pueblo Open Education

Florida

• Florida State College at Jacksonville Pressbooks
• University of Central Florida
• University of Florida

Georgia

• Georgia State University Open Educational Resources
• University of Georgia: Open UGA

Hawai’i

• University of Hawai’i Pressbooks

Idaho

• Boise State Pressbooks

Illinois

• College of DuPage Digital Press

Indiana

• Indiana University Pressbooks

Iowa

• Iowa State University Digital Press
• University of Iowa Pressbooks

Kansas

• FHSU Digital Press
• Kansas State University: New Prairie Press Open Book Publishing

Massachusetts

• Bay Path University
• University of Massachusetts Amherst Libraries

Michigan

• Lansing Community College: The OpenLCC OER Development Library

• Michigan State University: OER at MSU Libraries

Minnesota

• Minnesota Libraries Publishing Project
• University of Minnesota Libraries

Nebraska

• University of Nebraska Pressbooks

New Hampshire

• Pressbooks @ Granite State College

New York

• SUNY: Milne Publishing

Ohio

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

Oklahoma

• Open OKState (Oklahoma State University)

Oregon

• Mt Hood Community College: MHCC Library Pressbooks
• Open Oregon Educational Resources
• Oregon State University Open Textbooks
• Portland State University Pressbooks

Pennsylvania

• Muhlenberg College Open Educational Resources
• Shippensburg University Open Press
• The Pennsylvania State University

Rhode Island

• Roger Williams University Open Publishing

Texas

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

Utah

• Open SLCC: Salt Lake Community College Pressbooks

Virginia

• Pressbooks at Virginia Tech
• VIVA Open Publishing (Virtual Library of Virginia)

Washington

• South Puget Sound Community College
• University of Washington Libraries: Pressbooks Publishing Platform
• Washington State University: Open Text WSU
• Whatcom Community College: Open Textbook Collection

Wisconsin

• Nicolet College
• University of Wisconsin Pressbooks
• Wisconsin Technical Colleges Open Press

SOUTHERN HEMISPHERE

Australia

• Charles Darwin University: CDU Open Book Publishing
• Queensland University: QUT eBooks
• University of Southern Queensland