There is commercial and open source support for DBI...
DBI Announce Mailing List
Very low volume moderated mailing list for announcements such as new releases of the DBI and driver modules.
DBI Users Mailing List
Medium volume mailing list for general discussion of DBI issues.
DBI Developers Mailing List
Mailing list for developers of DBI drivers etc. (This is not the place for users to report problems with the DBI or drivers. Use the dbi-users list for that.)
Commercial Support from the Author
Professional commercial annual and multi-annual support agreements are available from the author of the DBI, through his consulting company. These offer a first-class support and consultancy service for you, and long-term support for ongoing DBI development. Contact Tim Bunce for details.