High Level Architecture
human leukocyte antigen
Harding Lawson Associates
Histocompatibility locus antigen
High Level Analog
High Level Assembler
histocompatibility leukocyte antigen
human leucocyte antigen
Human leukocyte antigens
human lymphocyte antigen
Hyperbaric Lighting Assemblies
Halifax Library Association
HAVERHILL LIBRARY ASSOCIATION
HAZARD LIBRARY ASSOCIATION
HC Airlines
heart, lungs, abdomen
Helicopter Landing Area
Helicopter Landing Areas
Helicopter Loggers Association
Hiawatha Leadership Academy
High Level Assembly
Higher-Level Architecture
High-Level Ability
High-Level Architecture
Hill Launch Assist
Hillcrest Lutheran Academy
histocompatability antigen
Histocompatibility antigen
Histocompatibility antigens
histocompatibility leucocyte antigen