Welcome to the Fergus Falls Builders FirstSource! Our Fergus Falls showroom is your local source for building materials in western Minnesota. Here, you will find building supplies, cabinetry design, doors, windows and more, as well as prefab building components and lumber. We also offer estimating and material delivery services to help you make sure your job gets done whether you are a professional builder, contractor, remodeler, or a DIY homeowner. Come visit us today!