Oil Country Tubular Limited is engaged in the business of manufacturing casing, tubing, and drill pipe which are primarily used in the oil and gas sector for the drilling and exploration of oil and gas. Its segments include Drill Pipe and Allied Products, oil country tubular goods (OCTG) Sales, OCTG Services, and Other Sales and Services. Its product range includes drill pipe, heavy weight drill pipe, drill collars, kellys, production tubing, casing, tool joints, couplings, pup joints, subs, and cross overs. The drill pipe product range includes double shoulder tool joint connections and torque connections. Its products under accessories include rotary subs, lift plugs and lift subs, lifting bails, pup joints, sleeve stabilizers, tool joints, couplings, and welded blade stabilizers. Its services include tool joint hard banding, make and break of tool joints, internal plastic coating of drill pipe and tubing, reconditioning of drill pipe, re-threading of drill pipe, tubing and casing.