What does HEL stand for?

Handbooks of English Literature - A publication

Hardware Emulation - Computer science

Hardware Emulation Layer - Computer science

Hartford Electric Light Co. (SAUO)

Hazard Evaluation Laboratory Limited - Herts, England

Header Extension Length - Telecommunications

Helena - Diocesan abbreviation - Montana (TOCD)

Helicol Helicopteros Nacionales de Colombia - ICAO designator (FAAC)

Helicopter (AABC)

Helkra - NCIC firearms make code (NCIC)

Hellenic Resources - Vancouver Stock Exchange symbol

Helsen Yacht Corp., Saint Petersburg, FL - Manufacturer code for watercraft hull identification number (USCG)

Helsingfors - Helsinki - Finland - Seismograph station code, US Geological Survey (SEIS)

Helsinki - Finland - Airport symbol (OAG)

Helvetia - Switzerland (ROG)

Hen-Egg White Lysozyme - Also, HEWL - An enzyme

Hessen - German license plate city code

High-Energy LASER

High Explosive, Light (SAUS)

Highly Erodible Land

History of English Law, Edited by W. Holdsworth - A publication (DLA)

Home-Equity Line (SAUS)

Home Equity Loan

Hugoniot Elastic Limit - Thermodynamics

Human Embryonic Lung - Type of cell line

Human Engineering Laboratories (or Laboratory) (SAUO)

Human Engineering Laboratory - Aberdeen Proving Ground, MD - Army

Human Erythroleukemia - Type of cell line

Hunting Engineering Ltd.

Hydraulic Engineering Laboratory - University of California at Berkeley

Helicopter (MILB)

Heliotrope - Philately

Heliodor - Record label - Great Britain

Hellenistic - Period