Structural Steel

Our commitment to quality is enhanced by our highest of standards in safety, engineering, project management, fabrication and technology.Learn More

Stairs & Railings

All the stairs and railings manufactured by Koenig Iron Works have an inevitable appeal and unique appearance.Learn More


We are masters in all aspects of blacksmithing techniques such as forge welding, hot collaring, hot riveting, and traditional joinery.Learn More


Koenig Iron Works has long been an industry leader in innovative design jobs and other specialty work.  We are involved with many theatrical clients, fulfilling their customization needs. Learn More

Some of Our Recent Projects

 The Octagon



The Koenig Aesthetic


A “case study house” overlooking the Atlantic, this Montauk residence, the work of James Biber and Michael Zweck-Bronner, features Koenig railings and structural steel support.

What Our Clients Are Saying

Koenig Iron Works has successfully served The Shubert Organization for literally decades, going back to at least the 1970′s. We unhesitatingly and fully recommend Koenig Iron Works as a premium contractor that can furnish any metalworking needs.
John P. Darby, VP of Facilities, The Shubert Organization, Inc.
We first worked with Koenig Iron Works in 1985.  Since then, and over the years, Koenig has provided top-quality work, first-class project management, staff support, and engineering.  Their value to our projects is a great bargain.
Joe Regele, President, Regele Builders, Inc.
I have worked with Koenig Iron Works and Barry Leistner for over 30 years.  I strongly recommend their services for any project regardless of scope.
Christian Pompa, President, Caro Enterprises, Inc.