InfrastructureMeridian Bridge
The longest cable-stayed bridge in the Western Hemisphere. 4,200 feet of primary span crossing the bay with seismic base-isolation engineering rated for 8.0+ magnitude events.
CommercialPacific Rim Tower
72-story mixed-use supertall. The tallest building in the Pacific Northwest, featuring a tuned mass damper and the region's first net-zero commercial floors.
TransportationTrans-Continental Highway
680 miles of six-lane divided highway through desert terrain. The largest single highway contract in US history, completed 4 months ahead of the 5-year schedule.
EnergyCascade Dam
Gravity arch dam generating 1,200 MW of clean hydroelectric power. Includes integrated fish passage systems and real-time structural monitoring.
TransportationCentral Metro Tunnel
12.4 miles of twin-bore transit tunnel beneath downtown Chicago. Three underground stations, each designed as public architecture - not just functional spaces.
CommercialSummit International Terminal
2.1 million sq ft international terminal with 42 gates. Designed for 35 million annual passengers with expansion capacity to 55 million without structural modification.
Our Services
Infrastructure Engineering
Bridges, highways, tunnels, and water systems engineered for a century of service. Over 140 major public works across 12 countries.
Learn MoreCommercial Construction
High-rise towers, corporate campuses, and mixed-use developments that define skylines. From foundation to facade, military precision.
Learn MoreTransportation Systems
Airports, rail networks, and transit hubs that move millions. The arteries of modern civilization, designed for growing demand.
Learn MoreEnergy & Industrial
Power plants, refineries, and renewable energy installations that fuel progress. Reliability meets innovation.
Learn MoreHeavy Civil Works
Dams, levees, marine structures, and earthworks that reshape geography. The most demanding challenges require the most experienced teams.
Learn MoreProject Management
End-to-end project delivery with uncompromising standards. Coordinating thousands of workers with zero tolerance for deviation.
Learn MoreWe do not build
for today.
We build for
the next century.
Every bridge, every tower, every highway we engineer is designed to outlast the generation that commissioned it. We measure success not in quarters, but in decades. Our structures carry the weight of progress — literally and figuratively.
When the concrete sets, when the steel is bolted, when the last inspection clears — that is not the end. That is the beginning of a hundred-year promise.
Leadership

Marcus Blackwell
Chief Executive Officer

Elena Vasquez
Chief Operating Officer

James Thornton
VP of Engineering

Sarah Chen
VP of Sustainability

David Okafor
Director of Global Projects

Robert Hayes
Chief Financial Officer
What Directors Say
IRONFORGE delivered a $1.4 billion highway interchange in 26 months. Their project management is unmatched in the industry.
We needed a construction partner who understood that good enough was not acceptable. IRONFORGE engineers solutions that last generations.
The Meridian Bridge was the most complex project in our portfolio. IRONFORGE made the impossible feel inevitable. Their team is the best in heavy civil.
In 30 years of public works, I have never seen a contractor manage stakeholders as effectively. The community engagement alone would have derailed lesser firms.
Their sustainability practices are not marketing. They are engineering innovations. IRONFORGE reduced our project carbon footprint by 38% without adding cost.
Three tunnels, two bridges, one impossible deadline. IRONFORGE coordinated 4,000 workers across three shifts and never missed a milestone.
Ready to Build
Something That Lasts?
Whether it is a bridge spanning a river or a tower defining a skyline, every monumental project begins with a single conversation.



