To get the ball rolling here's what I've found so far
(in alphabetical order):
I included prices and info available on their PG/VG ratios
Alchemy E-lixirs $20/30ml, $58/120ml (all 100%VG)
Blue Lab Vapors $12/30ml, $24/60ml (60VG/40PG, 80VG/20PG, or "Max VG")
Clouds of Vapor $23/30ml, $37/50ml (no info listed on VG/PG ratios of their organic line)
Dripeez $17.50/30ml +$ for extra flavor (anything from 100%VG to 100%PG)
Free State Vapor $19.50/30ml, $35/60ml (only 100%VG or 50/50)
Guilty Pleasures Organics $18/30ml (only 7 flavors to choose from) (no VG/PG info)
Highbrow Vapor $15/30ml (100%PG, 100%VG, or 70/30)
High Desert Vapes $16/30ml, $64/120ml (only 100%VG or 50/50)
Open Source Vapor $17.50/35ml, $42/125ml, $72/250ml (100%VG or "thinned with ultra distilled water)
Sweet Vapes $17/30ml, $50/120ml (100%vg to 70PG/30VG)
Vape Dudes $15/30, $22/50ml, $40/100ml (anything from 95%VG to 100% PG)
Vaperite $15/30ml, $25/50ml (anything from 95%VG to 100%PG)
Velvet Cloud Vapor $17.90/30ml, $60/120ml ("
high VG based")
Velvet Vapors $17/30ml ($18.50/30ml in glass), $24/50ml ($25.50 glass), $39/100ml (100% VG, 100%PG, 100% organic VG, VG/PG blend)
Virgin Vapor $20-22.50/30ml (only 100%VG or 50/50)