Boy this is a tough one...I did do a search on guidestar and they do have a 501K (anyone can write they have one, so it is important to look up) at:
GuideStar nonprofit reports and Forms 990 for donors, grantmakers and businesses
The website says it is 3 friends doing this but I find it odd myself they would be shipping from the south to new england...and one of the group is in california.
The whole thing is just strange..could be on the up and up but it is one of those things I am just not comfortable with. I did look at a lot of the dogs and they certainly were a mix group so who knows.
Just exactly what kind of dog are you looking for? Do you own your own hosue? HOw old are you?