Located in San Antonio, Capitol Aggregates specializes in sand, gravel, and paving materials. It manufactures a wide range of products that include Portland cement, asphalt and asphalt products, ground limestone and construction sand. The company has two divisions, which are the aggregate division and cement division. Its cement division offers a wide range of cement products, including Type I, Type II, Type III, Oil Well Class A and H Type S masonry and Type N Masonry. It has locations all over the state of Texas, including San Antonio, Laredo, Houston, San Benito and McAllen. Its aggregate division provides a wide range of products, such as hot mix, sand and gravel, fill materials, specialty blends, ready-mixed concrete, crushed stones, base materials and topping rocks.