Higher Education Act
Health Effects Assessment
Head Equipment Assembly
Head-End Assembly
health and environmental assessment
Health Education Authority
High Energy Astrophysics
Horticultural Education Association
Hyperion Electronics Assembly
habitat equivalency analysis
Hackensack Education Association
Hampton Education Association
Happily Ever After
Hard Earth Angle
Hartford Education Association
Hawaii Education Association
Hays Educators Association
HEADWAY CORPORATE RESOURCES, INC.
Heating Engineering Association
Heavy Cargo
Hektoen Enteric Agar
Heliavia-Transporte Aereo
hereditary erythroblastic anemia
hexone-extracted acetone
High-Energy Accelerator
High-Energy Approximation
Higher Education Academy
Higher Education Authority
high-explosive-assembled
Hilliard Education Association