Is there someone who monitors business licenses that you could also contact? And the Better Business Bureau. Also, contact the media -- these stories need to be told! If you haven't seen the thread in the news section about the Indiana tv station that did the 3 part series, you need to go to
http://www.wthr.com/global/Story.asp?s=7399716
watch this - part one, then you can select the other 2 videos over to the side.
Maybe you can find a tv station and/or newspaper to do something on these pet stores

-- the media can help so much to educate people who do not understand why they shouldn't buy from a pet store - and years ago, I was one of those people