Wow, interesting question. I don't pay as much attention to this stuff as I used to, but I really thought those were a product exclusive to AutoFiber--I mean, last I checked Ian doesn't even sell them at the MicrofiberTech website.
I don't see a similar applicator at the P&S website, but I do see a lot of (accessory) stuff there that they don't make, so if they have one that's just like the AutoFiber, I think you can be pretty sure that's who's making it. I also don't see what you are talking about with TurtleWax, just a regular black MF applicator.
Just to be clear, the "Saver" applicators have a membrane under the MF to keep the product from soaking into the sponge. If I'm remembering correctly, AutoFiber was where I bought my first MF towels from, back in 2004. Ian had set up that site to focus on detailing applications, more focused than the MicrofiberTech site, which has mops and golf towels, etc. Then the AutoFiber site disappeared for a while, then about 10 years ago he brought it back with these more specialized products. When you say "true OE" what does that even mean in today's world? All this stuff is made in China, I guess still some in South Korea, but I think even the SK towel material generally goes to China to be finished. It's not like MFT has their own plant over there (my opinion). But obviously the guys that have been doing this a long time have relationships with the manufacturing plants.