What does HLS stand for?

Haiti Air Freight - ICAO designator (FAAC)

Hall's Inc., Dorchester, WI - Manufacturer code for watercraft hull identification number (USCG)

Halt Line State (SAUS)

Harmonic Light Scattering - Physics

Harvard Law School - Massachusetts

Harvard University, Cambridge, MA - OCLC symbol (OCLC)

Health Learning Systems

Heavy Lift Ship - Army ship designation (DOMA)

Heavy Lift System (SAUS)

Heavy-Lift System

Heavy Liquid Separation (SAUS)

Heavy Logistics System

Heavy Logistic Support (SAUS)

Helicopter Landing Site - Military

Helicopter Landing System

Higher Level Scheme - Agri-environment funding (BAJR)

High Level Scheduler (NITA)

High-Level Service - Computer science

Hills (MCD)

Hinge Moment Load Simulator (SAUS)

Hippel-Lindau Syndrome - Medicine (DMAA)

Hoc Loco Situs - Laid in This Place - Latin

Holes (ADA)

Holograph Letter Signed

Horizontal Liquid Spring

Hue, Lightness and Saturation (GIS)

Hue, Luminance, and Saturation - Computer science (DCDG)

Hue, Luminance, Saturation (SAUS)

Human Language System (TLAA)

Human Life Sciences

Huntingdon Life Sciences - British

Hurricane Local Statement (SAUO)

Hurricane Statement - Telecommunications (OTD)

Hurst Lodge School (SAUO)

Hyperbaric Lighting Set - NASA (SPST)

St. Helens - Tasmania - Airport symbol (AD)