Abbreviations beginning with a

ADNAutomatic Document Numbering
Miscellaneous » Unclassified

ADNAutomotive Design Network
Miscellaneous » Automotive

ADNAutomotive Distribution Network
Miscellaneous » Automotive

ADNYemen (international vehicle registration)
Miscellaneous

ADNAfrican Diaspora Network
Regional » African

ADNAlaska Dispatch News
Regional » Alaska

ADNArkansas Louisiana and Mississippi Railroad Company
Regional » Railroads

ADNAshley, Drew and Northern Railway (Arkansas, Louisiana and Mississippi Railroad)
Regional » Railroads

ADNAAtlanta Downtown Neighborhood Association
Community

ADNAAbout Domain Name Appraisals
Miscellaneous

ADNAAdvocacy Network for Africa
Miscellaneous

aDNAAncient Deoxyribonucleic Acid
Miscellaneous

ADNAAtlanta Downtown Neighborhood Association (Atlanta, GA)
Miscellaneous

ADNAAuburn District Nursing Association (est. 1919; Auburn, MA)
Miscellaneous

ADNAAustralian Domain Name Authority
Miscellaneous

ADNAAAteneo de Naga Alumni Association (Ateneo de Naga University)
Miscellaneous

ADNAPAdelaide Network Access Point
Academic & Science

ADNASCLAAteneo de Naga Association of Southern California, Los Angeles (Ateneo de Naga University)
Miscellaneous