Well the Morocco lobby and the Cuba exile lobby (CANF) are both pretty powerful and both explicitly model themselves after AIPAC. CANF also isn't registered und

Well the Morocco lobby and the Cuba exile lobby (CANF) are both pretty powerful and both explicitly model themselves after AIPAC. CANF also isn't registered under FARA (though the Morocco one is). Admittedly, neither of them are nearly as powerful as AIPAC