Full Service Commercial General Contractor in St Louis, MO

Demien Construction stands as a pillar of reliability and expertise in the commercial general contracting and building industry. With close to 70 years of experience, this family-owned business has been delivering exceptional construction services since 1956. We serve a wide range of clients, ensuring every project is completed on time and to the highest quality standards. Our team handles all building and construction needs, taking the stress off of you and allowing you to focus on your vision.

Our commitment to excellence is evident in every project we undertake. Demien Construction ensures meticulous attention to detail and superior craftsmanship in all commercial buildings. Our seasoned professionals bring a wealth of knowledge and experience to each project, ensuring that your construction needs are met with precision and care. We pride ourselves on our integrity and dedication to client satisfaction, making us a trusted partner. Give us a call or text today and experience the ease of working with a top commercial general contractor in St Charles, MO.

Comprehensive Pre-Project Planning for Seamless Execution

At Demien Construction, we understand that successful projects begin with meticulous planning. Our Pre-Project Planning services are designed to lay a solid foundation for your construction endeavors. We collaborate closely with clients to define project goals, establish realistic timelines, and develop detailed budgets. By identifying potential challenges early, we implement value engineering strategies to optimize resources and ensure cost-effectiveness. Our experienced team provides critical path timelines, highlighting key milestones and dependencies, to keep your project on track from inception to completion. This proactive approach minimizes risks, reduces delays, and delivers a high-quality facility that meets your specific needs. With over 50 years of experience, Demien Construction is committed to turning your vision into a successful reality through expert planning and execution. Contact us today to speak with an experienced commercial general contractor in St Charles, MO.

Trusted Partner in Pre-Engineered Building Solutions

As the top commercial general contractor in St Louis, MO, Demien Construction is proud to be a partner with Butler Manufacturing™, the largest network of construction professionals in the world. This collaboration allows us to offer state-of-the-art pre-engineered building systems that combine efficiency, flexibility, and durability. Whether you're planning a manufacturing plant, warehouse, auto dealership, or aviation hangar, our pre-engineered buildings provide a streamlined construction process with reduced lead times and cost savings. Our team customizes each project using Butler's advanced engineering software to meet your exact specifications, ensuring optimal performance and aesthetic appeal. With decades of experience in systems construction, Demien Construction delivers buildings that stand the test of time, backed by the reliability and innovation of Butler Manufacturing.