

LaGuardia Airport
Siefert Associates continues to provide construction engineering services at LaGuardia Airport in Queens, NY for Skanska Walsh JV....


Steel Erection
Erection of the main terminal structural steel has begun at Newark Liberty International Airport in Newark, NJ. Stonebridge Steel...


Newark Liberty International Airport Update!
The Manitowoc 16000 is on site and erecting steel in the main terminal in support of the Newark Liberty International Airport, Terminal A...


LaGuardia Airport Expansion
Siefert Associates continues working with Skanska Walsh, J.V. at the LaGuardia Airport in Queens, NY. Featured here are shoring towers...