Reliance Industries Limited (RIL), a publicly owned company founded in 1973 and headquartered in India, is India's largest private sector corporation and a Fortune 500 company. RIL's primary operations encompass hydrocarbon exploration and production, petroleum refining and marketing, and petrochemicals. The company also has substantial holdings in retail and telecommunications. Within petrochemicals, RIL is the world's largest producer of polyester yarn and fiber. The company employs approximately 191,660 people.