Hand-Held LASER Range-Finder
Harvard Law Review - A publication (BRI)
Heart-Lung Resuscitation - or Resuscitator - Medicine
Heli Air Services - Bulgaria - ICAO designator (FAAC)
Helicopter LASER Range-Finder
Highland Ranch - Colorado - Seismograph station code, US Geological Survey - Closed (SEIS)
High Level Radiation (SAUS)
High Level Radioactivity (SAUS)
High-Level Representation
High Level Resources Ltd. - Vancouver Stock Exchange symbol
High Lift Rotor - Military technology (DDF)
Hoffmann-La Roche Inc. (EFIS)
Holder (KSC)
Hollinger International, Inc. - NYSE symbol (SAG)
Home Location Register
Home Location Registry (SAUS)
Horizontal Long Range (SAUS)
Housing Law Reports - A publication
Houston Law Review - A publication (ILCA)
Killeen, TX - Location identifier - FAA (FAAL)
Master Fabricators - NCIC boat manufacturer code (NCIC)
SMF Inc., Redding, CA - Manufacturer code for watercraft hull identification number (USCG)
Walter E. Heller International Corp. (SAUO)
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