Where is reliance industries headquarters? Reliance Industries Limited (RIL) is an Indian conglomerate holding company headquartered in Mumbai, Maharashtra, India. Reliance owns businesses across India engaged in energy, petrochemicals, textiles, natural resources, retail, and telecommunications.What are reliance industries? BACKGROUND. Reliance industries made investments in ventures such as in plastics, fiber intermediaries, polyester fibers, petroleum refining, petrochemicals and oil and gas exploration and extraction. Globally the company is the largest producer of polyester yarn and being the producer of various petrochemical products.What is reliance industries llc? Reliance Industries LLC is engaged in the manufacture of products and/or product components at this facility. Reliance Industries is estimated to generate $954,265 in annual revenues, employs approximately 6 people at this location.