WHO WE ARE
WHAT WE DO
May 14, 2018
Granite Construction selected Siefert Associates, LLC to create a 3D model of the WB10 main pylon, including all reinforcement bars and cast-in components, at the Kosciuszko Bridge in New York, NY.
Progress on Our New White Plains, NY Office
June 4, 2019
Farley – Skanska USA Civil
May 21, 2018
Long Island Rail Road Expansion (3rd Track)
Henry Hudson Bridge Stage 1 Completion!
November 20, 2019
Dale Carnegie Leadership Graduates
November 12, 2019
10/5/2019 3rd Track Constructors
Nardozzi Place Steel Erection
October 28, 2019
Siefert Attends Conferences!
Don’t forget to Save the Date!
LIRR Expansion Project - South Tyson Avenue Bridge, Floral Park, NY
George Washington Bridge Sidewalk Replacement