Carbo Ceramics Inc. is an oilfield services technology company. The Company supplies ceramic proppant. The Company also sells sand and resin-coated proppants. Additionally, it provides fracture simulation software, fracture design and consulting services, and a range of technologies for spill prevention, containment and related countermeasures. Its products and services are used in the hydraulic fracturing of natural gas and oil wells. It manufactures various ceramic proppants, including KRYPTOSPHERETM HD, which is a ceramic proppant engineered to deliver conductivity and durability in closure stress wells; KRYPTOSPHERE LD, which is a lower density proppant compared to KRYPTOSPHERE HD; CARBOHSP and CARBOPROP, which are high and intermediate density ceramic proppants, and CARBOLITE, CARBOECONOPROP and CARBOHYDROPROP, which are low-density ceramic proppants. It offers CARBO NORTHERN WHITE, which is a frac sand; CARBONRT, a detectable proppant, and SCALEGUARD, a porous ceramic proppant.