
Structural Steel
Fabricating and erecting complex heavy structural steel framing, long-span trusses, and specialized architectural steelwork for iconic global structures.
Bringing knowledge and foresight to every project
BIM Level 3 Modeling & Detailing
Utilizing Tekla 3D modeling and automated CNC connection detailing to ensure 100% fit-up precision prior to shop fabrication.
AISC Certified Shop Fabrication
Operating state-of-the-art steel fabrication shops equipped with robotic welding, automated beam lines, and specialized coating bays.
Heavy-Lift Erection Engineering
Executing complex tandem crane lifts, strand-jacking of massive roof trusses, and modular steel assembly under tight site constraints.
Seismic Connection Systems
Engineering ductile moment frames, buckled-restrained braces (BRBs), and base-isolation interfaces for extreme earthquake resilience.
Project spotlight: Moynihan Train Hall Skylight & Steel Structure
SNS Construction fabricated and erected the 500-ton steel diagrid skylight structure supporting the historic glass canopy of Moynihan Train Hall at Penn Station, NYC.

Partnering today to build the structures of tomorrow
Delivering heavy structural steel framing for high-rises, stadiums, airport terminals, and industrial mega-hubs.


