What does HDL stand for?

Haifa Development Lab

Handel Society - Record label

Handle (KSC)

Handleman Co. - NYSE symbol (SPSG)

Hardware Definition Language (SAUS)

Hardware Description Language - Computer science

Hardware Design Language (SAUS)

Harly Diamond Laboratories (SAUS)

Harry Diamond Laboratories - Formerly, DOFL - Adelphi, MD - Army

Headlamp - Automotive electrical

Headline (WGA)

Hidalgo County Library System, McAllen, TX - OCLC symbol (OCLC)

High-Density Cholesterol (SAUS)

High Density Lipoprotein (SAUS)

High-Density Lipoprotein - Biochemistry

High Density Liquid Protein - Medicine (BCRP)

High-level Data Labotatory (SAUS)

High Level Data Link (SAUS)

High-Level Design Language (AEBE)

Holdenville, OK - Location identifier - FAA (FAAL)

Home Demand Limited - Telegraphy (PCTE)

Hovercraft Development Limited (SAUO)

Howard D. Leib, Esq. - Commercial firm

Hydro-Disc International Corp., Delray Beach, FL - Manufacturer code for watercraft hull identification number (USCG)

Hydrologic Data Laboratory - Agricultural Research Service (PDAA)