Maxx, Reefergeorge, Me, MSS, Spooda420, Logiktest, (can't remember Bob's user name ATM), plus there's several others.
I prefer Planet Reef and Clayton Pet Emporium
Beldts recently spent a whole lot of money on upgrades but the last time I was there, the new tanks were dirty and they were selling a piece of LR absolutely covered with aiptasia as an anemone rock. :badgrin: (Which is true but no one wants aiptasia)
There's a huge shakeup right now at Marine Solutions. Gary and Scott (two of the previous owners of MS) shop at Planet Reef now. Matt and Seth quit MS and now work at Planet Reef. Mark quit MS and opened up a store way down Manchester. (I haven't been there yet).
Andy's Animals is concentrating on puppies and kittens right now but they still have some marine tanks going. Last time I was there, there were a lot of aiptasia and majono anemones.
The last time I was at Gateway Aquatics, there were flatworms and ich as far as the eye could see. He has lost most of his employees too. However, I haven't been there in a long time.
I haven't been to Aquatic Treasures in Illinois since Velco moved into a smaller space to save on rent. As a result, I can't really say anything about the condition of his tanks.
Clayton Pet Emporium always has spotless tanks (because Jan runs ozone). Unfortunately the rent she has to pay to be in Clayton makes some of her prices outrageous IMO.
Planet Reef is upgrading all of their filtration and has really improved a lot since changing it's General Manager. The former one had never actually run a marine tank before.
Disclosure: I no longer work at nor maintain a financial interest in Planet Reef