[1] Information Services Center

[2] International Switching Center

[3] Information Society of Canada (->"IEEE Standard Dictionary")

[4] International Standards Council (->"IEEE Standard Dictionary")

[5] Institute for Scientific Computation

[6] Inter-Systems Communication (IBM)

[7] Interactive Systems Corporation

[8] Intermodal Shipping Container (->"NASA Acronym List")

[9] Scilly Isles, British Isles - internationale Fughafen-Kennung