Hardware Message Generator - Telecommunications (TEL)
Harvard University, Gutman Library, Cambridge, MA - OCLC symbol (OCLC)
Havasu Manufacturing & Sales, Lake Havasu, AZ - Manufacturer code for watercraft hull identification number (USCG)
Heavy Machine Gun
Higher Middle German (SAUS)
High Mobility Group - of nonhistone proteins - Biochemistry
High Modulus Graphite - Epoxy composite (MCD)
His - or Her Majesty's Government
Historical Metallurgy Group (SAUO)
HMG/Courtland Prop - AMEX symbol
HMG Property Investors, Inc. - Formerly, Hospital Mortgage Group - AMEX symbol (SPSG)
Human Menopausal Gonadotrophin - Endocrinology
Human Molecular Genetics - Database - United Kingdom (GDD)
Hydroxymethylglutaryl - Biochemistry
Southwestern Guiyang Hmong - Language code (ETLW)
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