Tenneco Inc. is a leading designer, manufacturer & supplier of clean air, powertrain and ride performance products and systems caters to light vehicle, commercial truck, off-highway, industrial & aftermarket customers. Its products can be used in light vehicle, commercial truck, off-highway, industrial and aftermarket customers. Few of Tenneco's brands are - Monroe, Champion, Ohlins, MOOG, Walker, Fel-Pro, Wagner, Ferodo, Rancho, Thrush, National and Sealed Power. Its Clean Air segment offers products that reduce emissions. The Performance Solutions unit produces shock absorbers and struts, NVH performance materials that reduce noise, vibration and harshness & suspension systems. The Powertrain unit produces pistons, piston rings, piston pins, cylinder liners, valvetrain products and valve seats required for OE applications. The Motorparts unit offers products and systems that enhance safety, durability and performance of vehicles. Few of the products include - chassis, braking, sealing and engine.