ISK
ISK most widely denotes the Icelandic krona, though the same abbreviation can point to a school in Kuwait, a niche business investment term, or a locality in India.
Miscellaneous
I Slaughter Krews
Inland Sea Kayakers
Industrial Sized Knowledgebase
Iso Suomen Kielioppi
Inter Stellar Kredits
Inter Stellar Kredit
Ishihara Sangyo Kaisha
Community
Indian School Kuwait
International School of Kenya
Intermediate School Killorglin
International School of Krakow