Just Shell 93 for me. No Sunoco or Gulf stations nearby so sadly no 100+. I also use Blendzall Octane booster (about $40 a gal and it will do approx 3 tankfulls) not that I need it though. I've always been fond of Castor aroma.
This list of Ethanol free stations may help.
Ethanol-free gas stations in the U.S. and Canada