Structural Steel Services
Structural Steel Fabrication & Erection in NYC
From beam installation to complex retrofits, we deliver precision-engineered steel solutions across all five boroughs.
NYC Steel Experts
NorthStar Contracting supplies, fabricates, and erects structural steel for commercial towers, residential expansions, and infrastructure upgrades. Our in-house teams handle shop drawings, connection design, welding, and on-site rigging so your project stays on schedule and passes every DOB inspection.
We are AISC-compliant, OSHA 30-certified, and equipped to work within tight urban footprints—utilizing mobile cranes, street closures, and night shifts to minimize disruption.
Structural Steel Services
Beam & Column Installation
Hot-rolled steel members supplied, hoisted, and welded to spec.
Steel Stair & Mezzanine Fabrication
Custom fabricated stairs, landings, and platforms with code-compliant guardrails.
Reinforcement & Shoring
Adding plates, channels, and temporary shoring to support load increases.
Decking & Metal Joists
Composite metal deck supply and shear-stud welding for concrete pours.
Our Workflow
- 1. Engineering & Detailing — BIM/Shop drawings stamped by PE.
- 2. Fabrication — CNC plasma cutting, drilling, and shop priming.
- 3. Delivery & Rigging — Just-in-time trucking, street crane coordination.
- 4. Field Welding & Bolting — AWS D1.1 certified crews, 100% torque checked.
Why Choose NorthStar
- Licensed NYC Master Rigger on Staff
- AISC & AWS Welding Procedures
- Expedited DOB Steel Inspections
- 24/7 Night Shift Capability for Critical Path Projects
Recent Steel Projects
Hudson Yards Office Tower
900 tons of structural framing erected 2 weeks ahead of milestone.
SoHo Loft Expansion
Steel transfer beams installed through party-wall with zero tenant disruption.
Queens Warehouse Retrofit
Added mezzanine and new bracing to support automated racking system.
Testimonials
NorthStar’s rigging crew set 140-ft girders overnight. Inspection passed first attempt and the deck pour stayed on track.— GC Superintendent, Midtown
Their detailing team caught clashes early and saved us costly field fixes. True professionals.— Project Manager, Brooklyn Residential
Structural Steel FAQ
- Can you fabricate galvanized steel? — Yes, hot-dip galvanizing available for exterior and corrosive environments.
- Do you provide engineered calculations? — All reinforcement and temporary shoring stamped by a NY-licensed PE.
- What welding certifications do you hold? — AWS D1.1, D1.3, SMAW, FCAW, and certified for seismic moment connections.