Abbreviations beginning with h

HDSAHistorically Disadvantaged South Africans
Regional » African

HDSBHalton District School Board
Community » Schools

HDSBHolmes District School Board
Community » Schools

HDSBHeavy Dry Support Bridge
Governmental » Military

HDSBHalton District School Board (Ontario, Canada)
Miscellaneous

HDSBHappy Days String Band (est. 1973; New Jersey)
Miscellaneous

HDSBHarvard Divinity School Bulletin (Cambridge, MA)
Miscellaneous

HDSBHexasoft Development Sdn. Bhd. (Bradenton, FL)
Miscellaneous

HDSBHalton District School Board
Regional

HDSBCHave Dogs Send Beans Camping?
Miscellaneous » Dogs Related

HDSCHigh Density Signal Carrier
Academic & Science

HDSCHitachi Data Systems Corporation (electronics company)
Business

HDSCHazardous Material Distribution Support Center
Community

HDSCHydrometeorological Design Studies Center (US NOAA)
Community

HDSCHigh Density Signal Carrier
Computing » IT

HDSCHearts, Diamonds, Spades, Clubs (playing cards; mathematics problem solving)
Governmental

HDSCHarwich and Dovercourt Sailing Club (UK)
Miscellaneous

HDSCHeadphone Science
Miscellaneous