jls wrote:

I have excellent experience with this independent engine overhaul shop.
Pricing is very reasonable too:

TRIAD AVIATION, INC.
3439 South Aviation Drive
Burlington, NC 27215
Phone: 336-227-1467
Phone: 800-334-6437

I'll add my praise for Triad Engines. They've done 2 overhauls for me and are my
shop of choice for overhauls.

The OP said he was looking for something in Ohio.