Core-tee and Loot-john. We’re named for our founders.

Have you been looking for reliable commercial builders for your next project? Contact Korte & Luitjohan Contractors, Inc today!

Yes, we are. K & L was founded in 1958 by Cyril “Pete” Korte, who was joined the following year by his brother-in-law, Joe Luitjohan. Upon Pete’s retirement in 2018, his son, Gregg, became president. Several family members work in various capacities, but our desire is for everyone who works for us to feel like family.

Contact our family-owned and operated business today if you need commercial renovation or our other services.

Design-Build offers full integration of all aspects of a project – from design and pre-construction to construction and closeout – allowing Korte & Luitjohan Contractors, Inc to provide a streamlined project delivery unmatched in quality, speed, service, and accountability.

According to Home Guide, a commercial building takes between four and six months to build. If you need commercial construction services, our team is here for you. Don't hesitate to contact our commercial builders for Design-Build services today!

Yes, we self-perform carpentry, concrete, piping, and excavating. Contact our team today for a quality commercial renovation.

While we have extensive experience in these areas, K & L’s construction portfolio is diverse, including churches, medical facilities, office buildings, and historic renovations. If you need commercial builders for any of these facilities, contact Korte & Luitjohan Contractors, Inc.

No, we do not. Our commercial builders specialize in construction services for commercial buildings including small businesses, healthcare facilities, industrial buildings, and more. Contact us for more information!

No  — we have done many projects in Missouri. If you’re on the Missouri side of the Mississippi River, we’d love to talk to you about your commercial renovation project! Call us today.

K & L field staff participate in Infection Control Risk Assessment (ICRA) training to understand the procedures for properly performing medical facility construction and renovation tasks. This training, conducted by the American Society for Healthcare Engineering (ASHE), covers the practical use of ICRA tools including containment, negative air, HEPA filtration, and work practice techniques.

Call our experienced commercial builders for more information on our medical field construction services.

Absolutely! Our commercial builders provide a two-year warranty on all self-performed portions of our projects. Additionally, we conduct 11-month and 23-month inspections to make sure our customers are happy with our work. Don't hesitate to contact us today to schedule a service.

Periodically we have openings for commercial builders at K & L. Please check our Careers page for more information. Contact us if you have any questions or want to schedule one of our services.