If I think of more, I'll add later, but this one came to mind- it's still not exactly "next door" to you, but they might be willing to make a trip, all you can do is explain & ask.
https://forgottenfriend.org/
Have you contacted these folks? https://chicagoherp.org/ This is where I'd start.
http://www.exoticpetvet.com/shelters.html (& they suggest ^ ^ ^ too)
http://mobile.kingsnake.com/rescues/state/IL/
Have you inquired at the nearest large city zoos- reptile section- or contacted any local herp vets for suggestions? I'm well aware that zoos do not want a bunch of BPs but they have staff that may personally be interested or know of someone. You need to do some networking.
Even just regular vet offices may have people they know that would be interested. Ditto for regular animal shelters too. I'd make calls & do the best you can to verify qualifications (reputations). I'm not anywhere close to your state- these suggestions are just off the top of my head.
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