Oil Country Tubular Limited is primarily engaged in the business of manufacturing of 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 covers drill pipe, heavyweight drill pipe, drill collars, production tubing, casing, tool joints, couplings, pup joints, subs, and cross-overs. Its drill pipe product range includes double shoulder tool joint connections and high 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 make and break of tool joints, internal plastic coating of drill pipe and tubing, reconditioning of drill pipe, re-threading of drill pipe and others.