Abbreviations beginning with a

APTCAtlantic Provinces Transportation Commission (Canada)
Miscellaneous

APTCAustralian Pacific Technical College
Miscellaneous

APTCAuthorized Certified Prometric Testing Center (Microsoft exams)
Miscellaneous

APTCAustralia Pacific Technical College
Regional » Australian

APTDAcute Phenylalanine/Tyrosine Depletion
Academic & Science

APTDAlpha Pro Technology, LTD.
Business » NASDAQ Symbols

APTDAdvanced Packaging Technology Development
Community » Development

APTDAid to the Permanently and Totally Disabled
Community » Non-Profit Organizations

APTDAssociate Professional in Talent Development
Community » Development

APTDAdvanced Packaging Technology Development
Computing » Technology

APTDArmy Personnel Transformation Directorate
Governmental

APTDAcute Phenylalanine Tyrosine Depletion
Miscellaneous » Unclassified

APTDAdvanced Placement Teacher Development (Southeast Missouri State University; Girardeau, MO)
Miscellaneous

APTDAssistant Personal Training Director
Miscellaneous » Unclassified

APTDAtmospheric Pressure Thermal Dissociation
Miscellaneous » Unclassified

APTDCAndhra Pradesh Technology Development & Promotion Centre
Academic & Science

APTDCAndhra Pradesh Tourism Development Corporation.
Academic & Science

APTDCAssam Plains Tribes Development Corporation Ltd. (India)
Business

APTEAlaska Partnership for Teacher Enhancement (US Department of Education)
Academic & Science

APTEAlternating-Projection Timing Estimator
Academic & Science