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Irrational Games

IRT Ninth Avenue Line

Phoenix Raceway

ITC Limited

Integrated Taxonomic Information System

ITV Cymru Wales

International Ultraviolet Explorer

International Wrestling Association of Japan

J Street

JASON (advisory group)

JBL

Joint Conference on Digital Libraries

JD Edwards

Blue Yonder

JEDEC

Jisc

Jodi (art collective)

Journal of Chemical Education

JSE Limited

JTC Corporation

Japan Tobacco International

KBP Instrument Design Bureau

Hana Bank

KEF

KGO-TV

Kiva (organization)

KPN