Yes, they do on at the traditional NYSE side (Raymond James & Associates), but I don't know any details.  You might PM "Maybeeee" and ask him.  He sounds like he's in his first year with RJ&A as a trainee.

BTW, training salaries are not necessarily a hard & fast amount for all trainees.  If someone has a high income from their present occupation, firms usually will go to the upper limits of their salary range for trainees.