ATP International Series | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | International Olympic Committee | BirdLife International | International Finance Corporation | International Organization for Standardization | International Telecommunication Union | International Criminal Court | One Day International | International Nonproprietary Name | International Labour Organization | International Civil Aviation Organization | International Boxing Federation | Toronto International Film Festival | International Atomic Energy Agency | International Maritime Organization | International Development Association | John F. Kennedy International Airport | Los Angeles International Airport | International Bank for Reconstruction and Development | International Court of Justice | International Fund for Agricultural Development | Rotary International | Marriott International | International Air Transport Association | Woodrow Wilson International Center for Scholars |
Many of these service clubs were started early in the 20th century, such as Apex Clubs of Australia, Altrusa International, JCI, Sertoma, Rotary, Kiwanis, Lions, Exchange, Optimists, Soroptimists, KIN Canada, Zonta and Alpha Phi Omega, .
Fennell is an Honorary Member of the Royal Canadian Legion Branch 15, an Honorary Member of the Brampton Kiwanis and Zonta clubs, and has been honoured with Rotary International's Paul Harris Fellowship.