Top-Tier Contracting Services Available in Mount Vernon, IL.

Your Dependable Ally in Construction 

Unyielding Reliability You Can Depend On 

Supported by More Than 66 Years of Established Expertise.

Korte & Luitjohan Contractors, Inc: Premier General Contracting Services in the Mount Vernon, IL Region.

Our holistic approach to general contracting provides clients with a reliable partner who oversees every aspect of construction—from the initial planning and coordination to scheduling, budgeting, and on-site supervision. With over sixty years of industry experience, Korte & Luitjohan Contractors, Inc. guarantees open communication and seamless collaboration with architects and subcontractors, all while upholding a steadfast commitment to safety and quality. This strategy fosters an efficient construction process that adheres to timelines and budget constraints. Contact us today to kickstart your project.

Concrete pumping truck near green trees and signs.

Uncover Why Mount Vernon, IL, Selects Us as Their Trusted General Contracting Partner.

Our method emphasizes collaboration and a steadfast dedication to providing customized services for our clients. We begin by thoroughly understanding your vision, project details, and timeline, ensuring each aspect is executed with precision. By closely collaborating with your team, we adeptly manage subcontractors, adhere to deadlines, control costs, and maintain exceptional quality throughout the entire project lifecycle. 


With over 66 years of industry experience and a relentless pursuit of excellence, Korte & Luitjohan Contractors, Inc. establishes a remarkable benchmark for general contracting in the Mount Vernon, IL area. Contact us today to discuss your project.

Man and woman pose near a Kubota KX052 excavator. They wear red shirts. Woman is in the cab. Outdoors, daytime.

Are you seeking exceptional General Contracting services?

 At Korte & Luitjohan Contractors, Inc., we are proud to be your dependable general contractor. Our dedication spans the St. Louis Metro area, South Central Illinois, and Southern Illinois. Our seasoned team expertly oversees every stage of construction—from initial planning and budgeting to on-site supervision and quality assurance. We collaborate closely with owners, architects, and subcontractors to guarantee that your project advances smoothly, safely, and without interruptions. Contact us today to embark on your journey with a trusted general contracting partner.

Why Choose General Contracting?

Comprehensive Project Oversight


We coordinate every aspect of construction — from subcontractor management to quality control — ensuring smooth execution from start to finish.

Proven Experience


With over six decades of building experience, our skilled team brings knowledge, craftsmanship, and reliability to every project.

Commitment to Results


We deliver projects on time, on budget, and to the highest quality standards — earning the trust of clients across the St. Louis Metro and Southern Illinois regions.