Hello Andri:  You will find some different music roll manufacturing
companies in my web page,  http://www.pianolapatagonia.4t.com/ 

Also, at http://www.pianolapatagonia.4t.com/Marcas.htm  you will see
different labels of my collection with a short description, some of
them made in Argentina, Uruguay, Peru, Mexico, etc.

Regards from Patagonia, Argentina
Horacio Asborno