You might try UserLinux also at: http://www.userlinux.com/cgi-bin/wiki.pl?Support_Roster Ralph psychoelmo wrote:
"Canonical offers professional support for Ubuntu on both desktops and servers. Contact support@canonical.com for more information." -- from http://www.ubuntulinux.org/support/paidsupport you'd have to ask them about availability and response time though.. :) that page also lists several third-party firms offering support.