I want to get a German Shepherd pup/dog (2-6 months old) from
a reputable breeder. I will call the breeders and ask more detailed
questions directly. But here I just want to collect as many breeders
as possible. The general reqs for the dog: black and red color, with
a show potential even though I do not plan to participate in any dog
shows, obviously free of any diseases (complete vet evaluation
required), preferably a German line. The breeder has to be
established, i.e. both in terms of show participation and customer
satisfaction for its puppies.

I came up with an initial list collected from magazines. Any comments
about them? I provide their websites below:

fleischerheim.com
goldbergshepherds.com
kirchenwald.com
jerland.com/shepherds/index.html
www.hausbrezel.com
www.kolendakennels.com