As mentioned above, just check NALP. Failing that, talk to the career services at your school. They'll point you in the right direction.
If you're talking about moving to a small-midsized firm, NOT bloody likely. Small/mid-sized firms hold a stigma against BIGLAW associates for two main reasons. (1) they are used to making more money than small/mid-sized firms are willing to pay. (2) BIGLAW associates do not have the skill level necessary.