About Us

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At Chicago Ornamental Iron we consider ourselves as the premier artists of metal in the greater Chicago area and the neighboring states.

We Engineer, Design, Detail, Fabricate and Erect a wide array of custom metal structures from Structural Steel to high end finished metal in brass and nickel silver. Chicago Ornamental has the bandwidth to be your single source provider on all Division 5 work on your next project.

Our large fabrication facility (70,000 sf) in the city with a well trained and skilled work force is a leading supplier/subcontractor to all major contractors in the tri state area. COI completes all aspects of fabrication and assembly in-house, thus ensuring complete control over quality. We maintain a quality system that focuses on customer satisfaction, high caliber value-added products, and safety.

We are certified members of AISC

our advantages

Why Choose COI for your next project


In custom Product Lifecycle – we provide high quality repeat services to Engineer, Design, Detail, Fabricate and Erect projects for our diverse client base. Precision Fabrication & Erection is our constant endeavor.

Timely Delivery

It is our firm endeavor to work with all stakeholders to deliver a project on time and within budget.


We have the capability to deliver multiple large complex projects at the same time.


Our experience encompasses a wide range of metals including mild steel, stainless steel, aluminum alloys, stainless steel, bronze, copper alloys and brass. Our team consists of engineers, designers, skilled craftsmen and Union ironworkers that collectively bring hundreds of years of metal industry experience and tacit understanding of the entire product lifecycle to our clients.

Quality Control

We are an AISC Certified FABRICATOR & ERECTOR. COI maintains compliance with the AISC & NOMMA Standards along with appropriate statutory and safety requirements

Customer Service

COI is known in the industry for its customer focus, we work hard to achieve a 100% client satisfaction. Our company policy is to provide superior value while producing the highest quality products and services, meeting or exceeding the needs and expectations of our customers.

Questions? Call us today 773-321-9635 or send a email