Chicago Truss Manufacturer
Precision built.
Stronger together.
Custom floor and roof trusses engineered for strength, precision, and reliability — proudly manufactured in Chicago since 2005.
Quality Guaranteed
Every truss is built to meet the highest industry standards.
Fast Turnaround
On-time delivery for every project, every time.
Local & Reliable
Proudly serving contractors across the Chicago area.
About Us
Family-owned, built on precision since 2005.
Competitive Lumber Inc. has been manufacturing floor trusses, roof trusses, and dimensional lumber for the Chicago area for over 18 years. We serve residential, commercial, and industrial builders across Illinois, Indiana, Wisconsin, and Michigan — from single custom homes to multi-family developments. Every truss is engineered, cut, and inspected in-house, so nothing leaves the yard without meeting our standards.
2005
Founded
18+
Years in service
4
States served
Our Services
Engineered for every build.
Floor Trusses
Open-web parallel chord trusses engineered for long, clear spans and easy mechanical routing.
Roof Trusses
Regular, scissor, gambrel, and custom pitch configurations, built to Chicagoland snow load.
Lumber Materials
Kiln-dried, graded dimensional lumber stocked in-house for framing crews.