‘Tower of Voices’ provides everlasting memorial to Flight 93 victims


PennStress, a division of the MacInnis Group, LLC, provided more than 50 precast concrete segments for a 93-ft. tower located on the grounds of the Flight 93 National Memorial near Shanksville, Pa. Commemorated just days ahead of the 17th anniversary of the September 11 terrorist attacks, the Tower of Voices is a musical instrument with 40 uniquely pitched chimes to represent the voices of each passenger and crew member who died aboard the hijacked United Airlines flight.

Read More