Michelmann Steel Construction

Founded in 1865 by Prussian immigrant J.H. Michelmann, Michelmann Steel Construction Company has remained a family‑owned operation for more than a century and a half. Today the business is led by great‑great‑granddaughter Laura Gerdes Ehrhart, who continues the founding principles of quality products, on‑time delivery and attentive customer service. Located at 137 N 2nd St, Quincy, IL 62301, USA, the company serves the Quincy area and the broader Illinois market with a full suite of steel construction solutions.

Michelmann Steel offers custom steel fabrication, structural steel erection, and a stocked inventory of materials that can be accessed through its walk‑in sales facility. In addition to large‑scale building projects, the firm’s Mid‑States Door & Hardware division supplies door and hardware products, expanding the range of components available to contractors and owners. Clients can rely on the company’s long‑standing expertise to manage projects from design through completion, ensuring that each element—whether structural steel or hardware—