These folks!
FreedomSmokeUSA
They make all their juice to order, and they'll do 100% VG in various nic strengths. Give 'em a shot.
VG does tend to gum up atties quicker, but if you're cleaning them often it shouldn't be a big problem. I clean my nightly, and even with high VG juices, it still works great.
I drop it in 70% isopropyl alcohol for 5 minutes, and then hold it upright, letting the alcohol drain out the bottom. I'm looking for a stream.
If it's "dripping" out the bottom, and not a stream, I dunk it in the alcohol again, and and hold it upright to drain again. After doing this a few times, I get a stream coming out the bottom. That means it's clean.
Then, set it to dry in a well-ventilated area (I use a fan) overnight. Take a sniff inside the atty in the morning - if you can't smell alcohol, it's dry.