Teichert is a construction materials company based in Sacramento, California. The company was founded in 1887 by Adolph Teichert, a German immigrant who started a small sand and gravel business. Today, Teichert is one of the largest construction materials companies in California, with operations in the Sacramento Valley, San Joaquin Valley, and the San Francisco Bay Area. The company produces and sells a wide range of construction materials, including aggregates, asphalt, concrete, and recycled materials. Teichert also provides construction services, including grading, paving, and underground utilities.