News and Education magazines
- International Order of the King’s Daughters and Sons
- International Paralegal Management Association
- International Radio and Television Society Foundation
- International Reading Association
- International Research and Exchanges Board
- International Safety Equipment Association
- International Society for Human Ethology
- International Society for Humor Studies
- International Society of Air Safety Investigators
- International Society of Offshore and Polar Engineers
- International Technological University: Narrative Description
- International Technological University: Narrative Description
- International Technological University: Tabular Data
- International Technological University: Tabular Data
- International Technology Education Association
- International Thomas Merton Society
- International Transplant Nurses Society
- International Transportation Management Association
- International Union of Bricklayers and Allied Craftworkers
- International Women's Fishing Association