Originally Posted by
tatfiend
For U.S. made I suspect that the big clue is whether they offer custom dimensioned frames or not. There are apparently a lot of American custom framebuilders.
Della Santa Cycles in Reno is one example.
That's really just a question of whether they're a custom framemaker or not. Places like Worksman are small manufacturers, yet are not custom frame shops, either. You're either making frames in bulk, using jigs and all to make them as identical as possible, or building them one at a time.