Siefert Associates, LLC recently provided design services for a temporary roadway alignment as part of CT DOT’s Resurfacing, Bridge and...

Siefert Associates, LLC would like to thank Zoe Sloane for her hard work this summer as an intern and her contributions to the I-95...

Siefert Associates, LLC has been working with Pomerleau Construction, on the Annacis Island Wastewater Treatment Plant in British...

Siefert Associates is proud to present information on the first of "The Six Most Important Issues for Crane Lift Plans."...

Siefert Associates, LLC designed a support of excavation [SOE] system for a project beneath an existing, and active LIRR bridge at 69th...

Siefert Associates is very excited to welcome back our Summer 2020 intern, Phil Soltys, as a full-time EIT in our White Plains office!...

Siefert Associates, LLC was recently awarded a new scope of work from SPS New England, Inc. at their Belden Bly bridge replacement...

Siefert Associates, LLC, completed a Geotechnical Investigation in August, 2021, for a proposed permanent watch tower project, located in...

Siefert Associates, LLC (SALLC) has been providing erection engineering services for SPS New England Inc. during the bridge replacement...

Siefert Associates' Geotechnical Engineering Department is growing, and with it is our range of services! We are happy to provide...