I just heard a radio ad for this place and want to help spread the word so check them out, here's an excerpt from their front page.
" LRRoF is a non-profit organization dedicated to placing purebred Labrador Retrievers in loving permanent homes. Our nonprofit organization is comprised of hardworking volunteers and vets that are committed to placing labs in new homes. We have been working together since 2000 and have rescued over 2400 dogs. "
Find them here.