This document contains contact information and references for Mark A. Stahl. It lists Richard B. Gagliano, building manager at Grohmann Tower Apartments, as the first reference who can be reached at 414-940-2307 or gagliano@msoe.edu. The second reference is Brody Haslup, a mechanical design engineer at Brenner Tank, who can be reached at 715-220-3691 or brody.haslup@alumni.msoe.edu. The third reference is Luka Baricevic, a journeyman electrician at Pinky Electric, Inc., who can be reached at 414-315-8404 or lbhoops@wi.