According to Tenneco's latest financial reports the company's current revenue (TTM ) is $18.63 Billion USD. In 2021 the company made a revenue of $18.03 Billion USD an increase over the revenue in the year 2020 that were of $15.37 Billion USD. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.