Concrete Block A leading manufacturer of concrete block in northern Indiana, Crown Brick & Supply uses only the highest quality Indiana limestone to ensure a uniform color and strength in our finished block.   Our state-of-the-art computerized equipment is upgraded yearly allowing us to operate at maximum efficiency. Crown Brick manufactures concrete block in a variety of sizes, shapes, colors and textures, including architectural split-face units available to contractors and do-it-yourselfers. No job is too big--or too small--for Crown Brick. Since on-time delivery is an important factor in construction, Crown Brick owns a fleet of delivery vehicles, including boom trucks, dump trucks, and Teledyne fork lifts for hard-to-reach areas, to ensure customer satisfaction.