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We are the world's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet. Abbreviations.com holds hundreds of thousands of entries organized by a large variety of categories from computing and the Web to governmental, medicine and business and it is maintained and expanded by a large community of passionate editors. Read more about our awards and press coverage.

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GWIS
Great Wall Information Security
IJCSCS
International Journal of Computer Science and Communication Security
CP3
Chris Paul Foundation
AHTI
American Hospitality Training Institute
PCCHS
The Pediatric Critical Care and Hospitalist Service