Question: Are Harris Corporation and Darden Restaurants both American companies?

Context paragraphs:
Bahama Breeze: Bahama Breeze is an American restaurant chain owned by Darden Restaurants.  They specialize in Caribbean-inspired seafood, chicken, steaks, and tropical drinks.

Salli Setta: Salli Setta is an American restaurateur and businesswoman.  She is the President of Red Lobster, an American casual seafood restaurant chain owned by parent company, Golden Gate Capital.  Setta was named president in 2013, while Red Lobster was (then) operated by Darden Restaurants, Inc.  She served as the Executive Vice President of Marketing for Red Lobster from 2005 until July 2013, when she was named president.

Clarence Otis, Jr.: Clarence Otis, Jr. (born April 11, 1956 in Vicksburg, Mississippi, United States) is an American businessman and former CEO of Darden Restaurants.  Otis was named the 11th most powerful person in Central Florida by the Orlando Sentinel in 2010.

The Capital Grille: The Capital Grille is an American restaurant chain of upscale steakhouses owned by Darden Restaurants.  The brand has locations in twenty states and the District of Columbia.

Harris Corporation: Harris Corporation is an American technology company, defense contractor and information technology services provider that produces wireless equipment, tactical radios, electronic systems, night vision equipment and both terrestrial and spaceborne antennas for use in the government, defense and commercial sectors.  They specialize in surveillance solutions, microwave weaponry, and electronic warfare.

MPH (ATSC): MPH (Mobile-Pedestrian-Handheld) inband mobile digital television is a technology jointly developed by Harris Corporation, LG Electronics, Inc. and its U.S. research subsidiary, Zenith Electronics.  The MPH system uses Harris Corporation’s expertise in digital broadcast systems—including transmitters, exciters, encoders and software—and the systems development, integrated circuit design and consumer electronics expertise of LG Electronics and Zenith.

Smokey Bones: Barbeque Integrated Inc. (or simply Smokey Bones and doing business as Smokey Bones Bar and Fire Grill) is an American casual dining restaurant chain.  Owned by Barbeque Integrated Inc. and under the umbrella of Sun Capital Partners, Smokey Bones is headquartered in Aventura, Florida.  The first Smokey Bones restaurant opened in Orlando in 1999 (JOBS) under its then owners, Darden Restaurants, Inc..  As of August 2015, Smokey Bones has 66 restaurants in 16 Eastern states.

Bill Aho: Bill Aho is an American businessman who is a partner with The SagePoint Group, a management consulting firm.  He is the former CEO of the movie-filtering company ClearPlay.  He received his B.A. from the University of Minnesota Duluth and an MBA from the Brigham Young University Marriott School of Management in 1983.  Aho began his career in brand management at Procter & Gamble.  He later spent nine years with PepsiCo.  He also served as Senior Vice President of Strategic Planning for Darden Restaurants and was instrumental in turning around the Red Lobster business.  He has been featured in many publications, including The Wall Street Journal and Forbes, and appeared on many TV and radio broadcasts, including MSNBC, Entertainment Tonight, PBS, ABC News, NPR, etc.  In 2006 and 2007 he was named to the V100 as one of Utah’s top entrepreneurs.

Olive Garden: Olive Garden is an American casual dining restaurant chain specializing in Italian-American cuisine.  It is a subsidiary of Darden Restaurants, Inc., which is headquartered in unincorporated Orange County, Florida, in Orlando.  As of January 11, 2016, Olive Garden operates 844 locations globally and accounts for $3.8 billion of the $6.9 billion revenue of parent Darden.

Darden Restaurants: Darden Restaurants, Inc. is an American multi-brand restaurant operator headquartered in Orlando.  As of April 2017, the firm owns eight casual dining restaurant chains: Olive Garden, LongHorn Steakhouse, Bahama Breeze, Seasons 52, Eddie V's Prime Seafood, The Capital Grille, Yard House and Cheddar's Scratch Kitchen (the latter having been acquired on April 24).  Until July 28, 2014, Darden also owned Red Lobster.  Darden has more than 1,500 restaurant locations and more than 150,000 employees, making it the world's largest full-service restaurant company.  As of 2012, Darden is the only Fortune 500 company with its corporate headquarters in Greater Orlando.

Supporting paragraphs: Harris Corporation Darden Restaurants
Answer: yes