Originally Posted by DrivinTheDash

On the US side:

757: Class 3 (no curtain, recliner-style business class seat, adjacent seat is, I believe, available for assignment to passengers)

767: Class 2 (Curtain encloses 2 angled lie-flat business class seats)

A332: Class 2 that the company is currently operating as Class 1 under an FAA waiver

A333: I believe Class 2, curtain enclosing a lie-flat business class suite.