Peter Basso Associates announced that Dennis P. Sczomak, P.E., LEED AP, has been promoted from vice president to senior vice president, and Scott A. Garrison, Wayne E. Kerbelis, Jose A. Meijer, Robert N. Roop, CIPE/CPD, Philip G. Saoud, P.E., and Gregory J. Ziegler have all been promoted from senior associate to vice president.