Question: Are both Idexx Laboratories and Harris Corporation defense contractors?

Context paragraphs:
Proxy board: A proxy board is a requirement imposed under a Proxy Agreement by the U.S. Department of Defense's Defense Security Service on foreign investors seeking to acquire certain American companies.  This is for national security reasons and applies mainly to defense contractors which are involved in highly classified contracts.  The Proxy Agreement is between the foreign company, the US subsidiary holding classified contracts and the DSS.

Cunningham scandal: The Cunningham scandal is a U.S. political scandal in which defense contractors paid bribes to members of Congress and officials in the U.S. Defense Department, in return for political favors in the form of federal contracts.  Most notable amongst the recipients of the bribes was California Congressman Duke Cunningham who pleaded guilty to receiving over $2.3 million in bribes.  The primary defense contractors were Mitchell Wade (owner of MZM) and Brent R. Wilkes (owner of ADCS Inc.).

Defense Technical Information Center: The Defense Technical Information Center (DTIC, pronounced "Dee-tick") is the premier repository for research and engineering information for the United States Department of Defense.  DTIC's Suite of Services is available to DoD personnel, defense contractors, federal government personnel and contractors and selected academic institutions.  The general public can access unclassified, unlimited information, including many full-text downloadable documents, through the public Web site, DTIC Online.

CTI Electronics Corporation: CTI Electronics Corporation is a manufacturer of industrial computer peripherals such as rugged keyboards, pointing devices, motion controllers, analog joysticks, USB keypads and many other industrial, military, medical, or aerospace grade input devices.  CTI Electronics Corporation products are made in the United States and it is a well-known supplier of input devices to some of the most notable private defense contractors in the world, including Lockheed Martin, DRS Technologies, Computer Sciences Corporation, General Dynamics, BAE Systems, L3 Communications, AAI, Northrop Grumman, Raytheon, Boeing, Thales Group and many more companies that provide security and defense around the world.  CTI also supplies Homeland Security and United States Department of Defense supporting their efforts in protecting and serving the country and military personnel of the United States.

Operation Ill Wind: Operation Ill Wind was a three-year investigation launched in 1986 by the United States Federal Bureau of Investigation into corruption by U.S. government and military officials, and private defense contractors.  Charles "Chuck" Duff was the sole Air Force Action Officer responsible for developing, coordinating and implementing Air Force actions relative to the Department of Justice “Ill Wind” procurement fraud investigation.  Government officials, private individuals and companies were eventually convicted of various crimes including nine government officials, 42 Washington consultants, 7 military contractors as well as executives at GE, Boeing and United Technologies.

Sophie Vandebroek: Sophie V. Vandebroek is a Belgian electrical engineer and business executive, who was the Chief Technology Officer of Xerox, and President of Xerox Innovation Group until December 2016.  She has been CTO and a corporate vice president of Xerox corporation since 2006.  Born in Leuven, she earned a master's degree in electromechanical engineering at KU Leuven University, and moved to the United States in 1986, where she graduated with a PhD in electrical engineering from Cornell University.  She first joined the IBM research labs before moving on to Xerox in 1991.  She has praised Xerox for "creating a supportive environment for women".  Sophie Vandebroek was a director of the board of Analogic Corporation from 2008 to 2016 and has been a director of the board of IDEXX Laboratories since 2013.  She has given talks at many conferences, including about cyber security, internet of everything and democratizing energy.  She has been a member of the advisory council of the dean of engineering at the Massachusetts Institute of Technology since 2010.

Idexx Laboratories: IDEXX Laboratories, Inc. (NASDAQ: IDXX ) is an American multinational corporation on the S&P 500 and NASDAQ-100 indices engaged in the development, manufacture, and distribution of products and services for the companion animal veterinary, livestock and poultry, water testing, and dairy markets.  Incorporated in 1983 and headquartered in Westbrook, Maine, and EMEA in Hoofddorp, Netherlands,

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.

Donald Esty Jr.: Donald Esty Jr. is a Maine politician Esty was the mayor of Westbrook, Maine, and State Senator for Maine from 1986 to 1994.  He is married to Katherine Esty, who works at IDEXX Laboratories, and has three daughters.  Esty is currently a math teacher at Falmouth High School.  He enjoys teaching the book Flatland to his students.  He will be retiring from Falmouth High School after he finishes the fiscal school year in 2016.

List of United States defense contractors: The Top 100 Contractors Report on the Federal Procurement Data System lists the top one hundred defense contractors by sales to the United States military.  ('DoD 9700' worksheet).  The Department of Defense announces contracts valued at $7 million or more each business day at 5 pm.  All defense contractors maintain CAGE (Commercial and Government Entity) Codes, and are profiled in the System For Award Management.

Supporting paragraphs: Idexx Laboratories Harris Corporation
Answer: no