Anybody know a trustworthy amp repair shop or person in or around Kansas City Missouri?

I've got an EP4000 amp that needs repair and am looking for someone local who is savy, fair, and trustworthy with amp repair. I've tried my hand at "authorized repair shops" with different equipment in the past and been burnt on two of two occasions. I'd prefer just a guy who works out of his shop/home and has a honest reputation and is recommended by his customers.