According to Tenneco's latest financial reports the company's current revenue (TTM ) is S$24.63 Billion. In 2021 the company made a revenue of S$24.38 Billion an increase over the revenue in the year 2020 that were of S$20.34 Billion. 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.