The Siding Company

About us

The Siding Company, a Siding Contractor located in St. Charles County MO, is a family-owned and operated business founded on integrity and professionalism. Born and raised in St. Charles MO, brothers Mike and Dave Hannegan have a true passion for the construction industry, and with more than 20 years in the business, they know what it takes to get the job done right the first time! We are dedicated to helping you find the ultimate satisfaction in your home. Whether it be with our James Hardie fiber cement siding, vinyl siding, repairing your old siding, or installing our energy efficient Pella windows and doors, we will keep your home looking its best! The Siding Company is a James Hardie Preferred Remodeler and a Certified Pella Contractor, serving St. Charles County, including Wentzville and O’Fallon MO. We take pride in our work and our staff is trained with the skills and knowledge to do the job right!