Premier Manufacturing (PMI) is Ultimate Rides. Parent and/or predecessor company or something like that.

They make a very nice reproduction of the '70 pads, though as with some other vendors, it's usually best to buy it through a distributor such as Dante's or Roseville Moparts. Or pick it up in person at one of the meets.

The steel core dashpads do use an original core, so fit does tend to be good.