In 1978, X.25 provided the first international and commercial packet switching network, the International Packet Switched Service (IPSS).
ATP International Series | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | BBC World Service | National Park Service | Amnesty International | International Olympic Committee | Internal Revenue Service | BirdLife International | International Finance Corporation | International Organization for Standardization | Distinguished Service Order | International Telecommunication Union | International Criminal Court | Special Air Service | One Day International | International Nonproprietary Name | International Labour Organization | International Civil Aviation Organization | International Boxing Federation | United Parcel Service | Meritorious Service Medal (United States) | United States Postal Service | Toronto International Film Festival | National Health Service | International Atomic Energy Agency | Meritorious Service Medal | International Maritime Organization |