5 Most Profitable Industries in the World in 2021

4. Oil and Gas Industry 

Though this is not an eco-friendly industry, it still earns more profits than many industries that care relatively more about the environment. Chevron Corporation (NYSE: CVX), Exxon Mobil Corporation (NYSE: XOM), and Shell (AMS: RDSA) are the names known to many, and these companies contribute to the oil and gas (integrated) industry’s net income of $31.3 billion and the highest gross profit seen in this list that values at $833 billion. Conversely, the return on capital investment is the lowest seen in the list, at 4.64%.

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