Crystal Interactive then.
http://web.archive.org/web/200104050...-software.com/
They say they got merged into ClearWater Interactive (defunct too)
http://web.archive.org/web/200110212...om/contact.htm
That was in 2001.
In 2002 there was a nice note though which says all enquiries should be forwarded to
Mr. Ken Kemp:
http://web.archive.org/web/200203311.../www.cw-i.com/
Better than nothing, eh?