Question: Where is the headquarters of the parent compant of Daimler Trucks North America located?

Context articles: Freightliner Argosy
Alliance Truck Parts
Western Star Trucks
Freightliner Trucks
Daimler AG
Sterling Trucks
Pop Art, Inc.
Daimler Trucks North America
Thomas Built Buses
Detroit Diesel

The Freightliner Argosy is a heavy-duty semi-trailer truck produced by Daimler Trucks North America.
 This commercial vehicle is currently available as a complete truck with right hand drive in South Africa, Australia, and New Zealand.
 Although formerly available in the North American market as a complete truck, it is now sold only as a glider kit which consists of a truck body without a powertrain.
Alliance Truck Parts is an American private label brand that offers heavy-duty truck replacement parts and accessories.
 The brand was founded as Alliance Brand Parts in 1998 and is a division of Daimler Trucks North America LLC, a wholly owned subsidiary of the German Daimler AG.
 The change to Alliance Truck Parts occurred in first quarter of 2011 to better communicate its target market.
 The company mostly offers parts and accessories for all models of American and Canadian heavy duty class 8 diesel trucks though it offers parts for class 5-7 trucks as well.
Western Star Trucks Sales, Inc., commonly designated Western Star, is an American truck manufacturer headquartered in Portland, Oregon, United States and a subsidiary of Daimler Trucks North America, in turn a wholly owned subsidiary of the German Daimler AG.
Freightliner Trucks is an American truck manufacturer and a division of Daimler Trucks North America.
 The division is known mainly for the heavy duty class 8 diesel trucks it offers, as well as class 5-7 trucks.
Daimler AG (] ) is a German multinational automotive corporation.
 Daimler AG is headquartered in Stuttgart, Baden-Württemberg, Germany.
 As of 2014, Daimler owns or has shares in a number of car, bus, truck and motorcycle brands including Mercedes-Benz, Mercedes-AMG, Smart Automobile, Detroit Diesel, Freightliner, Western Star, Thomas Built Buses, Setra, BharatBenz, Mitsubishi Fuso, MV Agusta as well as shares in Denza, KAMAZ, Beijing Automotive Group.
 The luxury Maybach brand was terminated at the end of 2012, but revived in April 2015 as "Mercedes-Maybach" versions of the Mercedes-Benz S-Class and G-Class.
 In 2016 Daimler sold 3.0 million vehicles.
 By unit sales, Daimler is the thirteenth-largest car manufacturer and is the largest truck manufacturer in the world.
 In addition to automobiles, Daimler manufactures buses and provides financial services through its Daimler Financial Services arm.
 The company is a component of the Euro Stoxx 50 stock market index.
Sterling Triggs Corporation (commonly designated Sterling) is a former American truck manufacturer of Class 5-8 trucks.
 A subsidiary of Daimler Trucks North America LLC (Freightliner), itself a wholly owned subsidiary of the German Daimler AG.
 Sterling was formed in 1997 as Freightliner acquired the rights to the heavy-truck product lines of Ford Motor Company.
 Sterling-brand trucks were sold in the United States, Canada, Mexico, Australia, and New Zealand.
Pop Art, Inc. is an independently owned American marketing agency located in Portland, Oregon.
 Founded in 1997, Pop Art’s most prominent clients include Daimler Trucks North America and Yogi Tea.
Daimler Trucks North America LLC, formerly Freightliner Corporation, is an automotive industry manufacturer of commercial vehicles headquartered in Portland, Oregon, and is a wholly owned subsidiary of the German Daimler AG.
Thomas Built Buses, Inc. (commonly designated Thomas) is an American bus manufacturer.
 Headquartered in High Point, North Carolina, the company is a subsidiary of Daimler Trucks North America (the parent company of Freightliner).
 While best known for its yellow school buses, Thomas also produces, activity buses/MFSAB (Multi-Function School Activity Buses), commercial buses, and bus bodies for aftermarket conversion.
Detroit Diesel Corporation (DDC) is an American diesel engine manufacturer headquartered in Detroit, Michigan, United States and a subsidiary of Daimler Trucks North America, itself a wholly owned subsidiary of the German Daimler AG.
 The company manufactures heavy-duty engines and chassis components for the on-highway and vocational commercial truck markets.
 Detroit Diesel has built more than 5 million engines since 1938, more than 1 million of which are still in operation worldwide.
 Detroit Diesel’s product line includes engines, axles, transmissions, and Virtual Technician.