FirstSource SEE IT BUILD IT LIVE IT Builders FirstSource carries a wide selection of high-quality building materials. We take pride in personal service and our talented and experienced team provides support to meet the needs of your specific project. Beautiful millwork and doors, energy-efficient windows, and exquisite cabinetry are only the beginning of a huge selection of quality products that we have to offer WINDOWS DOORS Andersen is the most trusted and most recommended brand of windows and patio doors among contractors. Based on 2016 Survey of trade contractors Andersen and all other marks where denoted are trademarks of Andersen Corporation mid contihent Eric Bechtle Outside Sales Matt Clark Outside Sales Megan CreekmoreLeo Hovey Design Sales Specialist Inside Sales 41 W Reserve Dr. Kalispell, MT 59901 406.752.9663