JBL, AR, KLH, Altec, Polk, Boston Acoustics, Advent, Mission, Frazier...
Energy. sure they are still around, but since klipsch bought them out they are dead inside. Others would be dB+ (from API) and fisher.
Most everything Klipsch has done since Paul Klipsch died has been subpar. That includes their own designs and the many companies they have purchased and destroyed.