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Company Profile

KSI Professional Engineers, LLC was established in 1999 to provide structural engineering services with INTEGRITY to both private and public sector clients in the Tri-State area.



Since 1999 KSI Engineers has been a trusted source for hundreds of clients across the Tri-State area. Our experienced team provides structural engineering services and solutions.



KSI Consulting Engineers, LLC, has been offering Mechanical, Electrical, Plumbing & Fire Protection engineering design services to both private and public sector clients since 2006.


Our Advantages

KSI's diverse clientele has come to respect the INTEGRITY and EXPERTISE that we are known for. We deliver a QUALITY product with substantial VALUE. KSI offers our clients a unique advantage with INNOVATION and TEAMWORK. Small enough to give our clients' undivided attention, but large enough to deliver a quick turn around time. Cognizant of smart SUSTAINABLE solutions KSI offers superior engineering and MEP services for commercial, educational, light industrial, historic restoration, residential buildings and more.


Latest News

KSI Opens Montclair, NJ Office

We know many of our North Jersey/New York clients will appreciate our new North Jersey location.

2013 Rising Star in Structural Engineering

Patrick Cronin, PE Partner of KSI Professional Engineers has been named a 2013 Rising Star in Structural Engineering.

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EXPERTISE... expert advice or opinion. KSI's knowledgeable team has been a trusted source for expert advice, reviews, testimony and construction documents for more than a decade..