Knoll Steel Inc.

Knoll Steel Inc. Since 1986, founded by Ken Knoll, Structural Steel & Fabrication has been our specialty. We do commercial & residential work.

We offer stairs, railing, basement steel, garage steel, flitch plates, welding, decking, installing precast, and much more.

04/10/2026

Still trying to fill the following positions:
Field Welder
Boom Truck Operator

If interested, please contact our office: 815-675-9400

03/06/2026

We are hiring for all positions:
- Welders
- Fabricators
- Yard Labor
Very interested in anyone who has worked in the structural steel field! If you're a welder, bring in your hood and be prepared to take a welding test!

An update on our latest commercial project:
02/26/2026

An update on our latest commercial project:

Keys found on a KLM job site. Look familiar??
02/04/2026

Keys found on a KLM job site. Look familiar??

A big THANK YOU to KC's Cabin for supplying Pizza for our safety meeting on Monday, we really appreciate it Kyle!!
01/23/2026

A big THANK YOU to KC's Cabin for supplying Pizza for our safety meeting on Monday, we really appreciate it Kyle!!

01/08/2026

Looking for a part-time CDL driver to run local semi loads from time to time. If interested, give our office a call: 815-675-9400.

Basement beams going in!
12/31/2025

Basement beams going in!

250 Tons of steel going up on this one. We will be on site for up to two months!
12/31/2025

250 Tons of steel going up on this one. We will be on site for up to two months!

A big thank you to Henry and the Peddinghaus Corporation for hosting Knoll Steel at the Bears/Vikings game yesterday! W...
09/09/2025

A big thank you to Henry and the Peddinghaus Corporation for hosting Knoll Steel at the Bears/Vikings game yesterday! We had a great time!

Wrapping up the structural portion of an apartment building project. Next we put the decking on, then on to the next on...
09/05/2025

Wrapping up the structural portion of an apartment building project. Next we put the decking on, then on to the next one!

Once a year we go to Michigan for a very special client. This year it was Benton Harbor - another beautiful home being ...
08/21/2025

Once a year we go to Michigan for a very special client. This year it was Benton Harbor - another beautiful home being built on Lake Michigan, and we did our part.

Address

2851 North US Highway 12
Spring Grove, IL
60081

Opening Hours

Monday 7am - 3:30pm
Tuesday 7am - 3:30pm
Wednesday 7am - 3:30pm
Thursday 7am - 3:30pm
Friday 7am - 3:30pm

Telephone

(815) 675-9400

Website

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