What does DJB stand for?

Air Djibouti - ICAO designator (FAAC)

Cleveland, OH - Location identifier - FAA (FAAL)

Den-Jet Boats, Aurora, CO - Manufacturer code for watercraft hull identification number (USCG)

Djambi - Indonesia - Airport symbol (AD)

Djinba - Language code (ETLW)

Drill Jig Bushing

Jambi - Indonesia - Airport symbol (OAG)

Joint Bank-Fund Library, Washington, DC - OCLC symbol (OCLC)