Oil Country Tubular Ltd. engages in the manufacture of oil country tubular goods (OCTG) and drilling products. It operates through the following: Drill Pipe and Allied Products; OCTG Sales; OCTG Services; and Other Sales and Services. The company offers drill pipe, heavy weight drill pipe, drill collars, tubing, casing, high collapse casing, drill rods, and related accessories. It also provides reconditioning of drill pipes; rethreading of drill pipe, casing, and tubing; field inspection; tool joint hard facing; make and break of tool joints; and internal plastic coating. Oil Country Tubular was founded on February 22, 1985 and is headquartered in Hyderabad, India.