Builders FirstSource acquired Kansas City Building Supply in 2020. Please follow Builders FirstSource for updates: https://ww ... w.linkedin.com/company/builders-firstsource/ Kansas City Building Supply is a distributor of fine quality building materials. Serving the Kansas City area builder, remodeler and homeowner, we offer our customers the opportunity to shop for many of their building needs at one place. Our showroom is a great place to make your window, door, hardware, cabinet and millwork selections. Let our experienced staff help you select the right product for your project. We also offer a complete installed sales program for window which includes a 2-year written warranty. read more