LSM, INC.

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LSM, Inc. is a family-owned heating, plumbing, electrical contractor proudly serving Northwest Washington since 1940. Originally founded as Lynden Sheet Metal, we've grown to serve Whatcom, Skagit, Island, and Snohomish Counties. From residential and commercial repairs to new construction, we deliver quality service you can trust. Our team also offers welding, custom metal fabrication, and commercial kitchen solutions including hoods, refrigeration and hot-side. With a reputation for top-notch service at a fair price, LSM provides free quotes on systems replacements and upgrades to keep your home or business running smoothly.