Robert,
> As Josh pointed out though, maybe it is better to list a 500
> companies that
> have any involvement with postgresql rather than only 10 who are
> really
> integral to making things happen...
Or, per my suggestion on Advocacy, you can list the "major
contributors" in one small section at the top, and "everyone else" in a
long text-only list at the bottom.
--Josh Berkus