there's also FI, digital designs, tantric sounds, DC sound lab, american bass, ...I'm not even going to attempt to list all of the options because it would take forever.
First thing I would do is set your budget for your total system (speaker, amps, subs, wiring, extra batts, alts..etc.) then we can start somewhere
THE RIDES OF 2014 98' dodge ram 1500 sport/raminator-DD
97' ford f-150 xlt-mud toy
97' monte carlo z-34-project never to be done
05' grand prix gxp-weekend warrior