Home→...→Transportation & Infrastructure→Structural Steel
Structural Steel Erection

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.

Moynihan Train Hall Steel Structure

Partnering today to build the structures of tomorrow

Delivering heavy structural steel framing for high-rises, stadiums, airport terminals, and industrial mega-hubs.

Build your career with us.

Explore opportunities across markets and business units.

Open positions