Carbo Ceramics Inc. is an oilfield services technology company , which supplies ceramic proppant and, sells sand and resin-coated sand. The Company also sells sand independent of its resin-coating operations. It also provides fracture simulation software, and, fracture design and consulting services, and a range of technologies for spill prevention, containment and countermeasures. The Company’s products and services are primarily used in the hydraulic fracturing of natural gas and oil wells. There are three primary types of proppant that can be utilized in the hydraulic fracturing process: sand, resin-coated sand and ceramic. The Company manufactures six ceramic proppants: KRYPTOSPHERETM HD, CARBOHSP, CARBOPROP, CARBOLITE, CARBOECONOPROP and CARBOHYDROPROP. The Company produces resin-coated ceramic (CARBOBOND LITE) and resin-coated sand (CARBOBOND RCS) proppants; CARBO NORTHERN WHITE, a frac sand; and CARBONRT proppant. The Company also sells SCALEGUARD, a porous ceramic proppant.