Tenneco Inc. operates within the Motor vehicle parts and accessories sector. In addition to historical fundamental analyses, the complete report available to purchase compares Tenneco Inc. with three other companies in this sector in UNITED STATES : Aptiv PLC (2020 sales of $13.07 billion of which 73% was Signal and Power Solutions), Lear Corporation ($17.05 billion of which 75% was Seating), and Illinois Tool Works Incorporated ($12.57 billion of which 20% was Automotive OEM).

Sales Analysis. During the year ended December of 2020, sales at Tenneco Inc. were $15.38 billion. This is a decrease of 11.9% versus 2019, when the company's sales were $17.45 billion. Contributing to the drop in overall sales was the 19.9% decline in Ride Performance, from $2.75 billion to $2.21 billion. There were also decreases in sales in Clean Air (down 5.6% to $6.72 billion) and Powertrain (down 15.5% to $3.73 billion) and Motorparts (down 14.0% to $2.73 billion) .