What does ICY stand for?

Augustana College, Rock Island, IL - OCLC symbol (OCLC)

ICEE-USA - AMEX symbol (COMM)

Instruction Cycle - Computer science (IAA)

International Christian Youth (EA)

International Commission on Yeasts and Yeast-Like Microorganisms - ICSU - France (EAIO)

International Cooperation Year - 1965 - 20th anniversary of UN

Irwin Custom Yachts, Inc., Saint Petersburg Beach, FL - Manufacturer code for watercraft hull identification number (USCG)

Packaged Ice - AMEX symbol