Beth Ann,  There was a URL that was posted on MMD some time ago, a
comprehensive list of piano roll manufacturers and suppliers.  It's
still active, and comprehensive!

    http://www.ruralnet.net.au/~mwaters/manufact.html

Karl Ellison
Ashland, MA

 [ This web site is maintained by MMDer Michael Waters, of Mildura,
 [ Australia.  It has pointed many new subscribers to MMD.  Very soon
 [ the site will feature, with the author's consent, another fine
 [ technical article written by Craig Brougher.  -- Robbie