Castelgar Ready-Mix, 4000 Columbia Ave, Castlegar, BC V1N, CA

Established in 1951, Colville Valley Concrete Corporation is a concrete products company. Based in Colville, Wash., the company offers ready-mix concrete, sand, gravel, cement, precast items, water tanks, well tiles, septic tanks and construction materials. Its products are used for an array of residential applications, including driveways, patios, sidewalks, foundations, septic tanks, well casings, gravel, decorative blocks and retaining walls. Colville Valley Concrete Corporation caters to farm projects, highway construction, hospitals, schools, churches, mills and generating stations. The company serves the eastern Washington region.