SIE has successfully completed many projects for nearly all public agencies within the New York Metropolitan Area and New Jersey. The firm’s experience includes agencies such as the MTA, NYCDDC, NYCDOT, NYCDEP, NYSDOT, and PANYNJ – to name a few. We pride ourselves on our high quality and on-time service and implement a comprehensive Quality Assurance and Quality Control plan. At SIE, our principals and senior management continue to remain involved to ensure that each project is given the attention, time, and resources needed for successful completion and to surpass clients’ expectations. With offices in New York City, Queens, Elmsford, and Long Island, as well as a growing, skilled workforce, we have the ability to serve the entire Tri-State region.