Do you mean for livestock only?
Well, I figured I'd start this one for livestock and/or plants first since they're the tougher things to find locally, and then maybe get a second thread going later on for supplies since we actually have quite a bit of choice. Or maybe just list them all together here if that's easier? Really, it's whatever everyone prefers. I just thought this could be a cool resource to have available to anyone looking (because gods know I've had a hell of a time finding, comparing, etc.).
Oh, and I'm also intentionally leaving out listing local aquarist clubs because each city has their own and they can be easily found via Google.