Are any of these servers what you are looking for?

Servers with "l4dservers" in the name:
l4dservers.pl L4D #1
l4dservers.pl L4D #6
l4dservers.pl L4D #2
l4dservers.pl L4D #4
l4dservers.pl L4D #5
l4dservers.pl L4D #3
l4dservers.pl L4D #5
l4dservers.pl L4D #3
l4dservers.pl L4D #2
l4dservers.pl L4D #6