Abbreviations beginning with a

ADIRAllende Dark Inclusion Rice
Miscellaneous » Unclassified

ADIRApproved Driving Instructor Register
Miscellaneous » Automotive

ADIRAsociación para el Desarollo Integral Rural (Association for Rural Integral Improvement, Guatemala)
Miscellaneous

ADIRAdirondack Railway
Regional » Railroads

ADIRAdirondack Scenic Railroad
Regional » Railroads

ADIREAlternative Development Initiative for Rural Engagement
Community » Non-Profit Organizations

ADIRSAir Data and Inertial Reference Systems (US DoD)
Community

ADIRSAlcohol and Drug Information and Referral Service
Medical » Drugs

ADIRSAlcohol Drug Information Referral Service
Medical » Drugs

ADIRSAir Data Inertial Reference System
Miscellaneous » Aircraft & Aviation

ADIRSAir Data Inertial Reference System (Airbus Industrie)
Miscellaneous

ADIRSAlcohol and Drug Information and Referral Service
Miscellaneous

ADISAcademic Department Information System
Academic & Science

ADISAdvanced Drilling Information System
Academic & Science

ADISAgricultural Data Interchange Syntax (ISO 11787 standard)
Academic & Science

ADISAlcohol & Drug Information Service
Academic & Science

ADISAlumni Development Information System
Academic & Science » Alumni

ADISAnxiety Disorders Interview Schedule (DSM IV)
Academic & Science