What does JAJ stand for?

J. A. Jones Construction Services Co. (SAUO)

Jason Fiberglass - NCIC boat manufacturer code (NCIC)

Jason Fiberglass, Centerville, TN - Manufacturer code for watercraft hull identification number (USCG)

Judge Advocate Journal - A publication (SAUS)

Waubonsee Community College, Sugar Grove, IL - OCLC symbol (OCLC)

Zazao - Language code (ETLW)