Green Line Extension (GLX) Constructors recently installed the Siefert Associates’ designed temporary supports for the new utility...

Some of Siefert Associates’ young employees are attending the Dale Carnegie Course: Skills for Success. Three of them took home an award...

Halmar International, with Siefert Associates’ working drawings, has demolished all of the original Mill Basin Drawbridge in Brooklyn,...

Siefert Associates, LLC is always looking for ways to increase efficiency while maintaining quality in our work. For the past several...

Siefert Associates’ Lucas Morgan and Sabato Dalia attended CSCE's annual Fall Geotechnical Seminar in Meriden, CT on September 28....

Siefert Associates, LLC continues to provide Construction Engineering Services for the LaGuardia Airport CTB Replacement Project. Siefert...

Siefert Associates, LLC is providing working drawings for Stonebridge Steel Erection as they plan to erect a new steel hangar building at...

Restani Construction Co., with plans from Siefert Associates, completed concrete deck demolition operations for the existing upper level...

Siefert Associates, LLC is seeking a Senior Geotechnical Engineer to serve as the engineering lead and job manager on all geotechnical...

Siefert Associates, LLC is seeking a Structural Project Engineer – Design Build for a highly responsible Senior Project Engineer (SPE)...