William Samuel McChesney

HeartSine Technologies LLC designs and develops automatic external cardiovascular defibrillator devices. Its products include samaritan PAD 450P with CPR rate advisor, samaritan PAD 350P with CPR coaching, samaritan PAD trainer family, Pad-Pak, heart trac, samaritan CPR, and accessories. The company was founded by Andrew O'hara, Drew Hofmann and John Anderson in 1998 and is headquartered in Newtown, PA.

Survitec Group Ltd. manufactures safety and survival equipment. It offers life rafts, lifejackets, immersion and survival suits, submarine escapes and rescue, pilot flight equipment, boats, signaling and communication, fire equipment, lifeboats, gangway systems, rope and rigging, tooling, navigation, fenders, medical and rescue equipment and security products. It serves the marine, offshore, defense and aviation industries. The company was founded by Reginald Foster Dagnall in 1920 and is headquartered in Birkenhead, the United Kingdom.