I will try to remember to ask my instructor about folks in that area. She's from Ohio and really had good upbringing. I don't know if this may help you but here's some ICP eventing folks in OH. At least they shoudl be down to earth! I've heard good things about Sue Hines.

Hines, Sue (Area
Certified in 2007
Address
11184 Ridgeway Road
Kensington, OH 44427

Rich, Diana (Area
Certified in 2007
Address
6300 Park Road
Cinncinnati, OH 45243

Holmes, Janice (Area
Certified in 2007
Address
1792 State Route 131
Milford, OH 45150

Smith, Jackie (Area
Certified in 2007
Address
31407 Schneider Road
Hanoverton, OH 44423

Average, for horses with some experience at this level