All basketball assignors in Ohio are listed here:
http://www.ohsaa.org/Portals/0/Officiating/assigners/BBK.pdf
Look for SW and 513 Area codes for generally the Cincinnati area.
Shannon Bone assigns most of the rec ball as well as "AAU" in the Spring
Eric Burger and Matt Velten assign almost all the non catholic school ball in the city.
You can email me at andylarkins at gmail and I'll get you their contact details.
In Kentucky, thats the 9th and 10th regions...I dont know who currently assigns down there at, I believe each region has 1 assignor.