Question: Albert Burns rode for what American motorcycle manufacturer that was founded in Milwaukee, Wisconsin?

Context paragraphs:
Victory Motorcycles: Victory Motorcycles is an American motorcycle manufacturer with its final assembly facility in Spirit Lake, Dickinson County, northwestern Iowa, United States.  It began production of its vehicles in 1998, and began winding down operations in January 2017.

Fischer Motor Company: Fischer Motor Company is a US-based sport motorcycle manufacturer.  Their MRX 650 is a sport bike built around a 90-degree V-twin engine and a one-piece, twin spar, aluminum perimeter frame.  Alan Cathcart of "Motorcyclist" magazine in his 2006 test review, called the MRX, "the most important new American motorcycle in generations."

Buell Motorcycle Company: The Buell Motorcycle Company was an American motorcycle manufacturer based in East Troy, Wisconsin, and was founded in 1983 by ex-Harley-Davidson engineer Erik Buell.

Titan Motorcycle Company: Titan Motorcycle Company is an American motorcycle manufacturer that was founded in 1995 in Phoenix, Arizona and was the first custom motorcycle company to produce in volume.  At the time there was a shortage of brand new Harley-Davidsons, and those who were lucky enough to get a new one would quite often disassemble them and add lots of chrome custom parts.  There was a market for fast available mild customized bikes.  These motorcycles had a registered name and a valid VIN and were easy to finance but at first not easy to insure due to bank uncertainty with the manufacturing processes.  This carried over to the Bl-Book listing where it caused incorrect prices on these motorcycles and made it difficult for sellers to get the correct price.  The few specialty motorcycles Like the Titan Phoenix TRM Custom where only 25 were built, one at a time each bike built or put together by one person.  Titan owners went public on the NASDAQ in 1997.

Harley-Davidson: Harley-Davidson, Inc. (H-D), or Harley, is an American motorcycle manufacturer, founded in Milwaukee, Wisconsin in 1903.

Albert Burns (motorcyclist): Albert "Shrimp" Burns (August 12, 1898, Oakdale, California – August 14, 1921, Toledo, Ohio) was an American dirt and board track motorcycle racer in the early 20th century.  Riding for Harley-Davidson and later Indian, he won multiple races in California and later the east coast and the midwest.  He won the national championship in 1919, and was inducted in the AMA Motorcycle Hall of Fame in 1998.

Modenas Kriss series: The Modenas Kriss series is the debut 4-stroke underbone motorcycle series by Malaysian motorcycle manufacturer, Modenas.  The original Kriss 110 was developed through a partnership with Kawasaki, which partly owned Modenas, based on Kawasaki Kazer 110 underbone model.  The Kriss is actually named after a Malay traditional weapon, "kris", though some motorcycle shops in the United Kingdom had mistakenly advertised the model to be named from the acronym of a famous American motorcycle racer, Kenny Roberts because Modenas had once built some racing motorcycles for Modenas KR Motorcycle Grand Prix team.

MotoCzysz E1pc: The MotoCzysz E1pc is the American motorcycle manufacturer MotoCzysz's electric motorcycle that won the 2010 TT Zero electric motorcycle race at the Isle of Man TT competition breaking the previous speed record.

Boss Hoss Cycles: Boss Hoss Cycles is an American motorcycle manufacturer, founded by Monte Warne in 1990 and based in Dyersburg, Tennessee.  The company manufactures special high-performance motorcycles and trikes equipped with V8 engines, produced by Chevrolet, ranging in size from 350 cubic inches (5.7 liters) to 502 cubic inches (8.2 liters), equipped with semi-automatic transmissions, making them by far the most powerful motorcycles in the world.  By the mid-1990s, Boss Hoss was selling 300 vehicles per year.

American IronHorse: American IronHorse was an American motorcycle manufacturer that was founded in 1995 by Tim Edmundson and Bill Rucker.  At one time, AIH was the largest factory producer of custom motorcycles in the USA.  Their 224000 sqft factory was located in Fort Worth, Texas, and housed the complete manufacturing process under a single roof.  Although most (305) parts for the bikes were made in-house, such as the seats and wheels, all American IronHorse motorcycles were built with S&S engines and were assembled in-house.  In Spring 2008, American Ironhorse ceased production on all cycles and most company assets were liquidated at auction.

Supporting paragraphs: Albert Burns (motorcyclist) Harley-Davidson
Answer: Harley-Davidson, Inc.