What does LJU stand for?

Bassett Custom Boatworks, Barnstable, MA - Manufacturer code for watercraft hull identification number (USCG)

La Jolla University (SAUO)

Lithuanian Journalists' Union (BUAC)

Ljubljana - Slovenia - Airport symbol (OAG)

Ljubljana - Slovenia - Seismograph station code, US Geological Survey (SEIS)

Ljutic Arms Co. - NCIC firearms make code (NCIC)

Oscoda, MI - Location identifier - FAA (FAAL)