What does MHO stand for?

Manchester Resources Corp. - Vancouver Stock Exchange symbol

M & H Plastics, Summerville, AL - Manufacturer code for watercraft hull identification number (USCG)

Mashi - Language code (ETLW)

Medical House Officer (MELL)

Metallurgie Hoboken-Overpelt (EFIS)

Microsomal Heme Oxygenase (DB)

Millhouse Developments Ltd. - British - ICAO designator (FAAC)

Minehunter Ocean - Navy (ANA)

M/I Schottenstein Homes, Inc. - NYSE symbol (SPSG)

Modern Human Origins

Mohanbari - India - Airport symbol (AD)

Mount Hopkins Observatory - Later, FLWO - Smithsonian Institution (GRD)

Reciprocal Ohm - Unit of conductance