In the construction and structural steel industry across the Chicagoland area, manufacturing precision and a proven track record are essential. This article takes a closer look at McKinney Steel Co., headquartered in Zion, Illinois — a fabricator with over 90 years of experience dating back to its founding in 1928.

McKinney Steel Co. was established in 1928 and incorporated as McKinney Steel & Sales, Inc. in 1955. For nearly a century, the company has been one of the Chicagoland area's most trusted fabricators in both structural and miscellaneous steel. Drawing on this extensive history, McKinney Steel manufactures a wide range of products in-house — from structural steel frameworks to steel stairs, railings, and ladders. Recognized as a leader in the region, the company has built a solid reputation as a dependable manufacturing partner for construction projects of all scales.
In recent years, McKinney Steel has added CNC (Computer Numerical Control) machinery to its fabrication shop. By combining the expertise of skilled fabricators with the accuracy of CNC automation, the company is able to consistently produce components that align precisely with design specifications and deliver a clean, professional finish on site. This combination of hands-on experience and modern equipment enables McKinney Steel to handle everything from standard stair configurations to complex, custom designs.
McKinney Steel Co. is highly regarded as a full-service steel fabricator in the Chicagoland area, capable of handling everything from structural steel to miscellaneous steel components.
The company is a strong fit for construction projects that require structural steel and miscellaneous steel items — such as stairs and railings — to be sourced from a single contractor, as well as projects calling for precision-fabricated, complex stair geometries using CNC technology. Its greatest advantage lies in the combination of nearly a century of accumulated expertise and a modern, well-equipped fabrication facility.
This site also features comparisons and recommendations for steel stair manufacturers organized by application and product type — feel free to use these as a reference when evaluating your options.
No specific installation case studies from McKinney Steel Co. were found publicly available online. For actual project examples, please refer to the company's official website or contact them directly.
McKinney Steel Co. is a full-service steel fabricator offering structural steel, miscellaneous steel, bar joist, metal decking, and steel erection services. According to their official website, their miscellaneous steel capabilities include the fabrication of stairs, railings, and ladders — all produced in-house. The company also has experience working with stainless steel and aluminum.
| Company name | McKinney Steel & Sales, Inc. |
|---|---|
| Headquarters address | 813 29th Street, Zion, IL 60099 |
| Phone number | 847-746-3344 |
| Official website | https://www.mckinneysteel.com/ |
Compare manufacturers for egress, decorative, and industrial stair applications in the Ohio Valley.
| Key standards |
OSHA, AISC, AWS, etc. |
|---|---|
| Typical lead time |
6 to 8 weeks |
| CAD data | Available |
| Key standards |
IBC, OSHA, etc. |
|---|---|
| Typical lead time |
8 to 12 weeks |
| CAD data | Available |
| Standards | OSHA,ADA, etc. |
|---|---|
| Lead time | Contact for details |
| CAD data | Contact for details |