PACCAR, Inc. is a global technology company, which engages in the design and manufacture of light, medium, and heavy-duty trucks. It operates through the following segments: Truck, Parts and Financial Services. The Truck segment designs and manufactures heavy, medium, and light duty diesel trucks which are marketed under the Kenworth, Peterbilt, and DAF brands. The Parts segment distributes aftermarket parts for trucks and related commercial vehicles. The Financial Services segment provides finance and leasing products and services provided to truck customers and dealers. The company was founded by William Pigott Sr. in 1905 and is headquartered in Bellevue, WA.