According to Tenneco's latest financial reports the company's current revenue (TTM ) is C$25.93 Billion. In 2021 the company made a revenue of C$22.98 Billion an increase over the revenue in the year 2020 that were of C$19.60 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.