What does HEE stand for?

Heerlen - Netherlands - Seismograph station code, US Geological Survey (SEIS)

Heinzelmann - NCIC firearms make code (NCIC)

Helena/West Helena, AR - Location identifier - FAA (FAAL)

Heli Europe - Belgium - ICAO designator (FAAC)

Hemiconvulsion, Hemiplegia, and Epilepsy Syndrome - Neurology (DAVI)

Herbert E. Lipps, Fort Lauderdale, FL - Manufacturer code for watercraft hull identification number (USCG)

High Express Emotion (SAUS)

Household Earnings and Expenditure

Hydrogen Environment Embrittlement (SAUS)