Abbreviations beginning with a

ABCGNAmerican Board of Certification for Gastroenterology Nurses
Miscellaneous

ABCHAddress Book Clearing House
Miscellaneous » Unclassified

ABChAddysg Bersonol a Chymdeithasol (Welsh: Personal and Social Education)
Miscellaneous

ABCHAlliance of Bay County Homeschoolers (Lynn Haven, FL)
Miscellaneous

ABCHAmerican Board of Certified Haircolorists
Miscellaneous

ABCHSAmerican Board for Certification in Homeland Security
Governmental » State & Local

ABCIAssociate of the Business Continuity Institute
Academic & Science

ABCIAssociation Belge des Constructeurs Informatiques (French: Belgian Association of Computer Manufacturers; Belgium)
Academic & Science

ABCIAssociation Belge du Crédit Immobilier (French: Belgian Association of Real Estate Credit; Belgium)
Academic & Science

ABCIAustrian Bilingual Classroom Initiative
Academic & Science » Language & Literature

ABCIAdvanced Business Communications, Inc.
Business

ABCIAdvanced Business Concepts, Inc (Springfield, VA)
Business

ABCIAudit Bureau of Circulations' Interactive
Business

ABCIAssociation of Baptist Churches in Ireland
Community » Associations

ABCIAssociation of Baptist Churches in Israel
Community » Associations

ABCIAllocated Baseline Configuration Index (USCG)
Governmental

ABCIAI Bridging Cloud Infrastructure
Miscellaneous » Unclassified

ABCIAustralian Boys Choral Institute (Melbourne, Australia)
Miscellaneous

ABCIAssociation of Baptist Churches in Ireland
Regional » Irish

ABCIAAlabama Beef Cattle Improvement Association
Miscellaneous » Farming & Agriculture