VMS Help LICENSE, LOAD, Qualifiers, /PRODUCER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /PRODUCER=string

    Positional qualifier.

    Name of the company that owns the product for which you have
    a license. Use this optional qualifier only if you need it to
    identify the license. This qualifier affects only the product
    name that immediately precedes it in the command string.