What does BUH stand for?

Bass Star Bass Boats, Crystal Lake, IL - Manufacturer code for watercraft hull identification number (USCG)

Biunhexium - Chemical element (EPT)

Bucharest - Romania - Airport symbol (OAG)

Buehlerhoehe - Federal Republic of Germany - Seismograph station code, US Geological Survey (SEIS)

Buhag - NCIC firearms make code (NCIC)

Builder, Heavy - Navy rating

Bunker Hill - Federal Railroad Administration identification code

Younuo Bunu - Language code (ETLW)