Credence is coming out with new lines under its own name. One line (the "R" series) should be available very soon and another line (the "S" series) should be available by mid year.
You might want to check out some of the subs on this link.
http://credencespeakers.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=CSI&Category_Code=1S1
Yes, at one time Credence was the buildhouse for Kicker, along with building for many other name brand companies. Credence is now developing and building speakers using its own brand name.
http://www.credencespeakers.com/
Check out the CS124V and the CSS12L72 from Credence.
http://credencespeakers.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=CSI&Category_Code=1S1