John Sullivan

TransMedics, Inc. manufactures and develops medical devices. It offers a portable warm blood perfusion system designed to maintain organs in a functioning state outside the human body during transport from organ donor to recipient. The firm’s products are used in heart, lung, liver, and kidney transplants. The company was founded by Waleed H. Hassanein in August 1998 and is headquartered in Andover, MA.

Raytheon Co. is engages in the development and manufacture of defense and security solutions. It operates through the following segments: Integrated Defense Systems, Intelligence, Information, and Services (IIS), Missile Systems, Space and Airborne Systems (SAS), and Forcepoint. The Integrated Defense Systems segment offers air and missile defense, large land- and sea-based radar solutions, command, control, communications, computers, cyber and intelligence solutions, and naval combat and ship electronic systems. The IIS segment provides technical and professional services to intelligence, defense, federal and commercial customers. The Missile Systems segment develops, integrates, and produces missile and combat systems for the armed forces of U.S. and allied nations. The SAS segment designs and manufactures sensor and communication systems used in intelligence, surveillance, precision engagement, and aerial operations. The Forcepoint segment provides cyber security products such as insider threat solutions, data loss prevention, firewall technology, cloud and email security, and cross domain transfer. The company was founded by Laurence K. Marshall, Vannevar Bush, and Charles G. Smith on July 7, 1922 and is headquartered in Waltham, MA.

Siemens Medical Solutions USA, Inc. provides medical products and solutions. It offers imaging systems, therapy equipment, and hearing instruments for diagnosis, treatments, and patient monitoring. The firm services include imaging and therapy, customer resources and logins, healthcare financing solutions and laboratory diagnostics services. The company was founded in 1896 and is headquartered in Malvern, PA.