This one's not in your back yard, but I cannot recommend the group highly enough. Well worth the slightly longer drive
https://www.reveresriders.org/event/2019-apr-13-indianapolis-in/
[EDIT] Damn. That one's sold out!
Well there's another in Richmond: https://www.reveresriders.org/event/2019-jun-22-richmond-in/
And one east of Terre Haute: https://www.reveresriders.org/event/2019-aug-10-seelyville-in/
Check out Briggs Core Dynamics on the north side of Fowler. Here is the URL for their web page "Home". I have not ever done any interaction with them so no recommendations. If you do interact with them, would be nice to know how it goes.
Tim.