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About Us

Since 1907, Koenig Iron Works has established itself as the leader in quality steel construction in the New York metropolitan area, specializing in structural steel fabrication, stairs and railings, and miscellaneous iron works.

Over a Century of Experience

Koenig’s long-standing commitment to quality and craftsmanship over the past 100 years has allowed it to not only survive, but to thrive and become an established, premiere structural and miscellaneous steel fabricator and erector. Koenig Iron Works Inc. offers a full range of steel construction services that have stood the test of time while maintaining the same high standards and individual attention our clients have come to expect since it opened its doors in 1907.

Koenig Iron Works is The Leader in Steel Construction.

Koenig Leadership

Barry Leistner

President & CEO

Alan Guthertz

CFO

Nick Morisset

Chief Operating Officer

Services We Offer

Cost /Design Estimates

Our success and your satisfaction begins with special attention to detail and planning. Our staff has the experience to advise you through each phase – from design, to fabrication, and implementation. We also work closely with our strategic partners – architects and engineers – to provide the best design recommendations and detailed cost estimates for each project.

Project Planning & Safety

Safety is a top priority at Koenig. We are a fully insured, licensed contractor with an impeccable safety record. We are experts in the area of identification and planning for the most challenging and dangerous conditions – from special scaffold designs, to on-site crane work, or any equipment required for individual and site safety.

Field Erection

Our experienced staff is knowledgeable in the erection and installation of all types of projects from simple to complex. No matter the environment we are working in, from high atop Manhattan’s tallest buildings, to structures over busy commuter rail lines, we have the expertise to manage any project and in any environment. In fact, we pride ourselves in our ability to handle any job no matter how challenging.

Hire us for your next Steel Construction Project

With a state-of-the-art production facility and fully integrated computerized fabrication capability, Koenig Iron Works delivers projects on time and on budget.