What does HAY stand for?

Clayton Harris, Takoma, WA - Manufacturer code for watercraft hull identification number (USCG)

Haya - Language symbol (ETLW)

Haycock, AK - Location identifier - FAA (FAAL)

Hayes Albion Corp. (SAUO)

Hayes-Dana, Inc. - Toronto Stock Exchange symbol

Hayes Wheels International - NYSE symbol (SPSG)

Hayfield - California - Seismograph station code, US Geological Survey (SEIS)

Hayward, CA - Amtrak rail station code

Hayes' Irish Exchequer Reports - 1830-32 - A publication (DLA)

Hayes' Reports - Calcutta - A publication (DLA)

Hay's High Court Appeals Reports - 1862-63 - Bengal, India - A publication (DLA)

Hay's Poor Law Decisions - 1711-1859 - Scotland - A publication (DLA)

Hay's Scotch Decisions - A publication (DLA)

Haywood's North Carolina Reports - A publication (DLA)

Haywood's Tennessee Reports - A publication (DLA)