S&P BSE ENERGY Top Companies List by Market Cap as on Jan 7th, 2022

RELIANCE INDUSTRIES is a Multi-Sector company with spread of business in Retail, Telecom, PetroChemicals, Energy, Textiles, Natural Resources with head quarters is in Mumbai of India. Reliance Industries employee count is 195,618 as on 2020. Now Reliance Industries can also be considered as a Technology company, as it created wonders in Telecom sector of India and providing high speed mobile internet at cheap cost.

Reliance Jio and Reliance Retail are subsidiary companies of Reliance Industries.

HPCL is Oil and Gas company with headquarters in Mumbai of India. ONGC own about 51% of shares of HPCL. HPCL today owns and operates two coastal refineries at Mumbai and Visakhapatnam with designed capacity of 7.5 MMTPA and 8.3 MMTPA respectively. Add to this a joint venture refinery at Mangalore, two cross-country pipelines and an extensive network of terminals, depots, bottling plants and aviation servicing facilities.

Gujarat Gas is India's largest City Gas Distribution Player company with its presence spread across 23 Districts in the State of Gujarat, Union Territory of Dadra and Nagar Haveli and Thane Geographical Area which includes Palghar District of Maharashtra. The company has more than 25,000 kms. of gas pipeline network and more than 480 CNG stations and distributes close to 11.50 mmscmd (as on 31/12/2020) of natural gas to over 15,00,000 households and to more than 3900 industrial customers. The headquarters is in India.

Oil and gas company with headquarters in Assam, India. PSU company.

Castrol India is an automotive and Liquid Engineering company focused on high performance oils, lubricants, fluids and greases for every application. The company annual revenue is 41,921 million INR and annual net income is 7,581 million INR for year ending March-2021. The headquarters is in India.