The following museum collections software companies have adopted Nomenclature 3.0:

PastPerfect

Softwood Technology (Sumac)

Vernon Systems

zetcom North America LLC (MuseumPlus)
Implemented

Eloquent Systems

Minisis

The following companies are working on the application of Nomenclature 3.0:

Gallery Systems (Embark, TMS)

Questor (Argus)

Re:Discovery (Proficio, ICMS)

Cuadra Associates (Star)

Also, at least two clients of KE Emu have adopted Nomenclature 3.0.

If you're curious about using Nomenclature with your software, please contact your vendor.