Susman Godfrey
Bartlett beck
Keker van nest
Wlrk
There’s a bunch of other random boutiques, mainly in dc, that probably qualify. See consovoy and park.
Tier 2
munger tolles
Williams and Connolly
Hurston hennigan
Boise Schiller
Tier 3
Cravath
Sullivan
Kirkland
Latham
Davis Polk
Simpson thatcher (http://www.autoadmit.com/thread.php?thread_id=4007158&forum_id=2#36283921)