Concrete is a ready-mixed concrete manufacturer and supplier serving central California. The company has more than 5 ready-mix plants and over 60 mixer trucks. It also supplies a range of building materials that includes cement, asphalt patches, grouts, sand, patching compounds, adhesives, sealers, blocks, bricks, piers and parking bumpers. The company also offers a range of concrete tools that include edgers, floats, groovers, tamps and trowels. It also supplies a variety of construction safety products that include gloves, hard hats, boots, dust masks and respirators. The company is a subsidiary of Knife River Corporation and its office is located in Stockton, Calif.