Design-Build Construction in Southern/Central Illinois and the St. Louis Metro Area

Your Construction Partner

Safe and Professional Jobs

Over 66 Years of Experience

Design-Build Construction from Korte & Luitjohan Contractors, Inc.

Our design-build delivery approach ensures complete integration of every facet of a project—from design and pre-construction to construction and closeout—enabling Korte & Luitjohan Contractors, Inc. to deliver an unparalleled experience and an efficient project execution that excels in quality, speed, service, and accountability. Contact us today to kick off your project.

Excavator next to a sign for Korte & Luitjohan Contractors in Highland, IL.

Why Southern/Central Illinois and the St. Louis Metro Choose Us as Their Preferred Design-Build Construction Company.

Our approach to every project — no matter the delivery method — is owner-focused. We start by gaining a clear understanding of the owner’s needs and goals, including the purpose of the structure and the vision for current use and future growth, along with the desired building type, size, and time frame.


We believe working together as a team is vital throughout the entire project. Owners can achieve the most success when the architect, contractor, and owner collaborate with the shared goal of achieving the best solutions.

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Ready to Begin Your Design-Build Project?

At Korte & Luitjohan Contractors, Inc., we're ready to help you with your design-build needs. Whether you're in the St. Louis Metro area, South Central Illinois, or Southern Illinois, our integrated approach combines design and construction into a seamless process. Our experienced team ensures collaboration, efficiency, and quality from concept to completion. Reach out to us today to start your next design-build project.


Why Choose Design-Build?

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Streamlined Construction

A single source of responsibility to consolidate liability and eliminate contractor/architect/engineer conflicts.

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Cost & Schedule Control


Proven systems for budgeting, scheduling, & cost control that keep project on track, minimize unexpected costs, and provide owners with financial clarity.

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Transparent Decision-Making



Knowing guaranteed costs early gives owners a clear financial picture, enabling better planning, fewer surprises, and ultimately lower costs.