My fEARfuls come from an age before 'authorized builders' existed...you had to scratch to find someone to do it for you.
But I can say, since the infamous Montana Monster started authorizing builders, no one has posted any negative builder reviews.
Probably the most visible is Leland Crooks, for he not only builds but does DIY kits. I've only heard glowing reports. Robby H. obviously specializes in composite builds, but will also do wood builds. Ron Anchak and David Homer are also solid guys. Of course, unless you're an Aussie, Harley might not be your guy.