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

SPS New England is continuing to make progress on the I-495 bridge replacement in Haverhill, MA. Temporary support towers on the north...

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

Siefert Associates, LLC is currently providing engineering services to GLX Constructors in their efforts to extend the Green Line, in...

Dillon Pepin recently joined the Siefert Associates’ team of filing representative for the New York City Department of Buildings by...

Siefert Associates provided engineering services for removal and replacement of 102-year-old station Astoria Boulevard in support of ADA...

Siefert Associates, LLC is proud to support , a foundation established in memory of Dylan Hockley, a student victim of the mass shooting...

Siefert Associates’ Geotechnical department was in Philadelphia, PA last month to attend the 2019 ASCE Geo-Congress! Plenty of...

Over the past several years, Siefert Associates has been working on expanding our expertise in rebar cage erection. We have designed new...

Siefert gets sendy on the slopes! The company’s skiers and boarders rallied for a fun packed weekend on the snow at Stratton Mountain in...