Institutions Subscribing to CIAO
- Acadia University (Canada)
- ADA University (Azerbaijan Diplomatic Academy)
- Adlai Stevenson High School
- Al Akhawayn University
- Albion College
- Altinbas University
- Alvernia University
- American College of Thessaloniki
- American Public University System
- American University
- American University - Cairo
- American University - Central Asia
- American University - Kuwait
- American University - Paris
- Amherst College
- Appalachian State University
- Arizona State University at the Tempe Campus
- Asia Pacific Center for Security Studies
- Atlanta University Center
- Australian National University
- Bard College
- Bates College
- Bavarian State Library
- Baylor University
- Benedictine College
- Berea College
- Bethel University
- Beykent University
- Bilkent University
- Boston College
- Boston University
- Bowdoin College
- Branson School
- Brentwood School
- Bridgewater College
- British University in Egypt
- Brock University
- Brown University
- Cairo American College
- California State University - Long Beach
- California State University - Los Angeles
- Calvin College
- Carleton College
- Carleton University
- Carnegie Corporation of New York
- Carrollton School of the Sacred Heart
- Case Western Reserve University
- Center for Army Analysis
- Center for Strategic and International Studies
- Central European University
- Central Intelligence Agency
- Centre College
- Centro Studi Americani
- Chapman University
- Chestnut Hill College
- China Institutes of Contemporary International Relations (CICIR)
- Christopher Newport University
- Chulalongkorn University
- City, University of London
- Claremont Graduate University
- Clemson University
- Coastal Carolina University
- Colby College
- Colgate University
- College of Charleston
- College of William and Mary
- College of Wooster
- Colorado College
- Combined Arms Research Library
- Community School of Naples
- Concordia College
- Concordia International School Shanghai
- Concordia University (Montreal)
- Concordian International School
- Coventry University
- CUNY Bernard M. Baruch College
- CUNY Borough of Manhattan Community College
- CUNY Bronx Community College
- CUNY Brooklyn College
- CUNY City College
- CUNY College of Staten Island
- CUNY Graduate School and University Center
- CUNY Hostos Community College
- CUNY Hunter College
- CUNY John Jay College Criminal Justice
- CUNY Kingsborough Community College
- CUNY LaGuardia Community College
- CUNY Lehman College
- CUNY Medgar Evers College
- CUNY New York City College of Technology
- CUNY Queens College
- CUNY Queensborough Community College
- CUNY York College
- Cypress West University
- Dalton School
- Davidson College
- Deerfield Academy
- Defence Command and Staff College
- Defense Intelligence Agency
- Dickinson College
- Directorate of Strategy, Concepts, and Transformation
- Drexel University
- Duke University
- Dwight Englewood School
- East Carolina University
- Eastern Mennonite University
- Eastern Michigan University
- Edinburgh University
- Elon University
- Emory University
- Erasmus University
- Fitchburg State College
- FLACSO Sede Ecuador
- Florida International University
- Florida State University
- Fondation Nationale des Sciences Politiques (Sciences Po)
- Fordham University
- Franklin & Marshall College
- Franklin College
- George C. Marshall European Center for Security Studies
- George Mason University
- George Washington University
- Georgetown University
- Georgia Institute of Technology - Main Campus
- Gonzaga University
- Gothenburg University
- Grand Valley State University
- Greenhills School
- Griffith University
- Guangdong University of Foreign Studies
- Gustavus Adolphus College
- Halmstad University College
- Hampton University
- Harrison High School
- Harvard University
- Hobart & William Smith Colleges
- Hong Kong Baptist University
- Hood College
- Howard Community College
- Indiana State University
- Indiana University - Bloomington
- Individual - Gustav Gustenau
- Individual - Messr Francois Nordmann
- Individual - Mohamed Zaazou
- Institute for Defence Studies & Analyses
- Institute for Defense Analyses
- Institute of Development Studies (Univ. of Sussex)
- Institute of Foreign Policy Studies, University of Calcutta
- Institute of World Politics
- Instituto da Defesa Nacional
- Instituto Tecnologico Autonoma de Mexico
- International Christian University
- International University of Japan
- Isen Mrecic Biblioteca (Ministry of Foreign Affairs)
- ITESM Campus Monterrey
- J.M. Denison Secondary School
- James Madison University
- Jefferson (Philadelphia University + Thomas Jefferson University)
- John Burroughs School
- John Cabot University
- Jonkoping University
- Keio University
- Kennesaw State University
- Kenyon College
- King's College (PA)
- Lawrenceville School
- Lehigh University
- Liberty University
- Library of Congress - US Anglo Division
- Lingnan University
- London School of Economics and Political Science
- Long Island University - Brooklyn Campus
- Loyola Marymount University
- Macalester College
- Manhattan College
- Marine Corps University
- Marist Brothers International School
- Marymount School of NY
- McGill University Library
- McMaster University
- Memorial University of Newfoundland
- Mercersburg Academy
- Messiah College
- Metropolitan State University
- Michigan State University
- Middlebury College
- Middlebury Institute of International Studies
- Middlesex HS
- Middlesex University
- Military Intelligence Library
- Ministerio de Defensa
- Ministry of Defence (UK)
- Mira Costa High School
- Monmouth University
- Montclair State University
- Moorestown Friends School
- Muhlenberg College
- Muir S. Fairchild Research Information Center
- National American University
- National Chengchi University
- National Defence HeadQuarters
- National Defense University
- National Defense University Alumni Access
- National University of Ireland, Galway
- National University of Singapore
- Naval PostGraduate School
- New School University
- New York City Public Libraries
- New York Law School
- New York University
- Norfolk Academy
- North Penn High School
- Northeastern School of Law
- Northside College Preparatory
- Northwestern University
- Norwich University
- Nova Southeastern University
- Oberlin College
- Occidental College
- Ohio State University - Lima Campus
- Ohio State University - Main Campus
- Ohio State University - Mansfield Campus
- Ohio State University - Marion Campus
- Ohio State University - Newark Campus
- Ohio State University Agricultural Technical Inst
- Ohio University - Main Campus
- Old Dominion University
- Open Society Institute
- Pace Academy
- Peace Palace Library
- Peddie School
- Penn State University
- People's Friendship University of Russia
- Pepperdine University
- Phillips Academy
- Pingry School
- Point Loma Nazarene University
- Princeton University
- Qatar University
- Radford University
- RAND Corporation
- Reed College
- Ridgefield High School
- Ridley College
- Rijks University (University of Groningen)
- Roanoke Higher Education Center
- Robert College of Istanbul
- Rollins College
- Rowan University
- Royal College of Defence
- Royal Military College of Canada
- Royal Oak High School
- SAFTI Military Institute, Singapore
- Salem State College
- Salisbury University
- San Diego State University
- San Francisco State University
- San Francisco Waldorf High School
- Sandy Spring Friends
- Seattle University
- Sewanee: University of the South
- Shenandoah University
- Simon Fraser University
- Skidmore College
- Slippery Rock University of Pennsylvania
- Smith College
- Sonoma State University
- Southwest Virginia Higher Education Center
- Spring Hill College
- St. Andrews School (DE)
- St. Andrews School (FL)
- St. Lawrence University
- St. Louis University - Main Campus
- St. Mary's College of California
- Stanford University
- Suffolk University
- SUNY at Buffalo
- SUNY Oswego
- Susquehanna University
- Sweet Briar College
- Syracuse University
- Taylor University
- Temple University
- Texas State University - San Marcos
- Tobb Ekonomik and Tech University
- Trinity College
- Trinity University
- Tufts University
- Turkish National Assembly
- U.S. Army War College
- U.S. Coast Guard Academy
- U.S. College of Special Operations
- U.S. Institute of Peace
- U.S. Military Academy
- U.S. Naval War College
- Union College
- United Nations Head Quarters (UNHQ)
- Universidad de Los Andes
- Universidad Francisco Maroquin
- Universita Degli Studi di Triesti
- Universita di Siena
- Universitat Autonoma De Barcelona
- Universite de Liege
- Universite De Montreal
- Universite Laval
- University College Cork
- University College London
- University for Peace
- University of Alberta
- University of Arizona
- University of Bath
- University of Bologna (Biblioteca Ruffilli)
- University of British Columbia
- University of California - Berkeley
- University of California - Riverside
- University of California - San Diego
- University of California - Santa Cruz
- University of Central Florida
- University of Chicago
- University of Chittagong
- University of Cincinnati - Clermont College
- University of Cincinnati - Main Campus
- University of Cincinnati - Raymond Walters College
- University of Colorado - Boulder
- University of Connecticut
- University of Dayton
- University of Delaware
- University of Denver
- University of Florida
- University of Georgia
- University of Hong Kong
- University of Houston - Law
- University of Illinois at Urbana - Champaign
- University of Kansas - Main Campus
- University of Kentucky
- University of Leeds
- University of Maine
- University of Mary Washington
- University of Maryland - Baltimore County
- University of Maryland - Law
- University of Massachusetts - Amherst
- University of Melbourne
- University of Miami
- University of Michigan - Ann Arbor
- University of Milano
- University of Minnesota - Twin Cities
- University of Mount Union
- University of New Hampshire - Main Campus
- University of New South Wales
- University of North Carolina at Chapel Hill
- University of North Georgia
- University of North Texas
- University of Northern Iowa
- University of Notre Dame
- University of Oklahoma
- University of Oregon
- University of Ottawa
- University of Oxford - Law
- University of Pennsylvania
- University of Puerto Rico - Law
- University of Puget Sound
- University of Redlands
- University of Richmond
- University of Rochester
- University of San Diego
- University of Saskatchewan
- University of South Africa
- University of South Florida
- University of Southern California
- University of Tampa
- University of Tennessee
- University of Toronto
- University of Trento
- University of Utah
- University of Virginia - Main Campus
- University of Virginia's College at Wise
- University of Warwick
- University of Waterloo
- University of Western Ontario
- University of Wisconsin - Madison
- University of Wisconsin - Milwaukee
- University of Wyoming
- University St. Gallen
- Uppsala University
- Utah State University
- Vanderbilt University
- Vassar College
- Vermont Law School
- Viewpoint School
- Villanova University
- Vilnius University
- Virginia Commonwealth University
- Virginia Community College System
- Virginia Polytechnic Institute and State Univ
- Virginia State University
- Wake Forest University
- Waseda University
- Washington State University
- Washington University in St. Louis
- Wayne State University
- Wesleyan University
- Western Oregon University
- Westminster College
- Whitman College
- Whitworth University
- Wilfrid Laurier University
- Winsor School
- Wofford College
- Woodberry Forest School
- Woodrow Wilson Library
- World Trade Organization (WTO)
- Yale University
- Zentral- & Hochschulbibliothek Luzern
- Zeppelin Universität / Bibliothek