Shamrock Materials Inc. has been one of Northern California's leading suppliers of ready-mixed concrete and building materials since 1954, and has a nation-wide reputation for innovation and marketing. Over the last half century, contractors, developers, design professionals and landscape contractors have used Shamrocks expert staff to make purchase decisions from an extensive line of products displayed in Shamrock's beautiful showrooms, including an extensive line of stoves and fireplaces. Shamrock is a major supplier of natural stone, brick, concrete block, pavers, and concrete accessories to masonry and landscape professionals throughout Northern California. Shamrock is also the leader in providing steel products, gravel, sand and rock to the construction trade in the North Bay region of California. Shamrock's outside sales team, customer service representatives and central dispatch staff are readily available to assist you with any concrete or building material questions.