
SI Engineering, P.C.
High-Quality Engineering Services for the New York Metropolitan Area and New Jersey
New York, NY+3
Explore capabilities, project experience, and office locations to build your shortlist.

High-Quality Engineering Services for the New York Metropolitan Area and New Jersey
New York, NY+3

An integrated multi-disciplinary engineering, planning, and surveying practice.
Portland, OR+4

A Greener Tomorrow
Roswell, GA

Fostering Long Term Relationships
Fishers, IN

Service Excellence Since 1918
Newtown, PA+4

Structural Engineering and Bridges.
Birmingham, AL

Quality You Can Count On
Duluth, MN

Serving Contractors, Architects, Owners and Structural Engineers Worldwide
Orange, CA

Mission-Driven.
San Diego, CA

Structural engineering and design-build services.
Structural Engineering and High-Rise Building Design.

Resilient ideas and solutions protect you from earthquake and tsunami hazards
Beaverton, OR

Architecture + Engineering | Construction | Mission Support
Chicago, IL+3

People | Culture | Design
Spokane, WA

Precision in Architectural Design, Excellence in Engineering

Advancing Public Safety and Efficiency within the Built Environment

From Concept to Completion
Lafayette, LA

Structural Engineering and New Construction.
Austin, TX+1

Structural Engineering and Mechanical Engineering.
Grand Rapids, MI

Redefining the Limits of Engineering
Rochester, NY

Structural Engineering & Construction Services

Quality and Innovation Built into Every Design
Gaithersburg, MD

Engineering Solutions for Maine
Ellsworth, ME
Design Development and Mechanical Engineering.
Minneapolis, MN