According to Tenneco's latest financial reports the company's current revenue (TTM ) is A$28.55 Billion. In 2021 the company made a revenue of A$24.87 Billion an increase over the revenue in the year 2020 that were of A$20.00 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.