CalPortland, since 1891, is a major building materials provider to the Western U.S. and Canada with expertise in cement production and distribution, aggregate production, ready mixed concrete, asphalt, construction services and other building materials.

Whether it's a sand and gravel pit, a crushed stone quarry, or a concrete recycling yard, Martin Engineering improves aggregate handling. That way, producers can focus on production, without the outages that cripple efficiency and profitability.