Who makes upgraded rear calipers?

[UNBROKEN]

I've been waiting on SSBC since November, now they say 2-3 more months and I'm tired of waiting.
Does anyone know who else makes a replacement caliper for stock size rotors in a 3 or 4 piston floating or fixed caliper?

 

[4.0l sahara]

I could never find anything for the rear when I looked.

 

[91turbogsx]

I'm about to purchase the fronts and was wondering about the rears as well. Glad you posted this up. I need new brakes soon and want to do everything. SSBC needs to hurry up. LOL I haven't found any other options for the rear in my search.

How do you like your fronts? And how is the powdercoating holding up?