What does SHM stand for?

Nanki Shirahama - Japan - Airport symbol (OAG)

Schimel - NCIC firearms make code (NCIC)

Schwitzer Household Manufacturing Ltd. (SAUS)

Security Home Mortgage Investment Corp. - Toronto Stock Exchange symbol

Semantical Hierarchy Model (SAUS)

Sensible Heat Meter (SAUS)

Shahrudi - Language code (ETLW)

Shamal - NCIC car model code

Sheffield Medical Technologies, Inc. - AMEX symbol (SPSG)

Sheffield Medl Tech - AMEX symbol

Sheffield Pharmaceuticals - AMEX symbol - Formerly, Sheffield Medical Tech (SPSG)

Shimizu - Japan - Seismograph station code, US Geological Survey (SEIS)

Ship Heading Marker - Navigation

Shoreham (SAUS)

Short Hold Mode (SAUS)

Simple Harmonic Motion

Single Hispanic Male - Classified advertising

Sinusoidal Hydrodynamic Modulation - Electrochemistry

Society for Hybrid Microelectronics (IAA)

Stage Handling Manual - NASA (KSC)

Superhard Material (SAUS)