Carbo Ceramics provides products and services to the oil and gas, and industrial markets. The Company operates in two segments, Oilfield Technologies and Services, and Environmental Products and Services. The Oilfield Technologies and Services segment manufactures and sells ceramic proppants for use in the hydraulic fracturing of natural gas and oil wells to pressure pumping companies; produces ceramic pellets for use in various industrial technology applications, such as casting and milling; and provides technology to design, build, and optimize the Frac. The Environmental Products and Services segment provides spill prevention, containment, and countermeasure systems for the oil and gas industry.