What are sub of the best unknown subs out?

Now i know all of the big names out thier that put out a lot of power. Like Fi, re, kicker, earthquake, sundown, alpine, JL, JBL, DC, AQ, incriminator, rockford fosgate. but im looking for some no names that put out HUGE b. im looking for 12" subs btw. if you could list some big bang subs for me that i may not know about i would appreceate it. thanks!