Sand mining and minerals operations serving the construction, filtration, and energy industries of South Texas. Currently Manley Bros. produces numerous grades of sand, including Proppant sand for the oil and gas industry. In addition to Proppant sand, our sand is used in the foundry, glass, steel and construction industries. We also provide sand for water filtration systems worldwide and for many other uses. The system we use for processing and blending our sand, allows us to attain some of the tightest grade specifications in the industry. Every load of sand shipped from Manley Bros. is tested in our laboratory prior to shipping, to assure it meets our stringent grade specifications. This gives our customers a consistent quality product and peace of mind.