Medtronic, Inc. operates as a medical technology company. It offers implantable cardiac pacemakers, eternal defibrillators, inferior turbinate surgery products, and continuous glucose monitoring device. The company was founded by Earl E. Bakken and Palmer J. Hermundslie on April 29, 1949 and is headquartered in Minneapolis, MN.

Pacesetter, Inc., a subsidiary of Abbott Laboratories, is a company headquartered in the United States that manufactures, and distributes cardiovascular and implantable neuro stimulation medical devices.

Cardiac Pacemakers, Inc.(CPI), doing business as Guidant Cardiac Rhythm Management, manufactured implantable cardiac rhythm management devices, such as pacemakers and defibrillators. It also sold insulin pumps controlled by microprocessors and various equipments to regulate heart rhythm. In addition, Cardiac Pacemakers, Inc. developed therapies for the treatment of irregular heartbeats. The company was founded in 1971 and is based in St. Paul, Minnesota. Cardiac Pacemakers, Inc. operates as a subsidiary of Boston Scientific Corporation.

Beth Israel Deaconess Medical Center (BIDMC) in Boston, Massachusetts is a teaching hospital of Harvard Medical School. It was formed out of the 1996 merger of Beth Israel Hospital (founded in 1916) and New England Deaconess Hospital (founded in 1896). Among independent teaching hospitals, Beth Israel Deaconess Medical Center consistently ranks in the top three recipients of biomedical research funding from the National Institutes of Health. Research funding totals nearly $200 million annually. BIDMC researchers run more than 850 active sponsored projects and 200 clinical trials. The Harvard-Thorndike General Clinical Research Center, the oldest clinical research laboratory in the United States, has been located on this site since 1973.

Part of BIOTRONIK SE & Co. KG, Biotronik AG is a Swiss company located in Bulach that manufactures devices for vascular intervention and electrotherapy of heart.\nThe company says this about itself: BIOTRONIK is a leading medical device company that has been developing trusted and innovative cardiovascular and endovascular solutions for more than 50 years. Driven by a purpose to perfectly match technology with the human body, BIOTRONIK innovations deliver care that saves and improves the lives of millions diagnosed with heart and blood vessel diseases every year. BIOTRONIK is headquartered in Berlin, Germany, and represented in over 100 countries.

Silver Castle Holdings Ltd. engages in digital asset investment activities. It offers asset management and Bitcoin-backed bond services. The company was founded on November 15, 1999 and is headquartered in Tel Aviv, Israel.

Harbinger Medical Inc. operates as a medical device company. It offers MI-1000, a non-invasive risk stratification system, which evaluates cardiac electrical vulnerability by analyzing the changes in a patient's myocardial tissue caused by sub-threshold stimulation during depolarization and repolarization of the cardiac cycle. The company was founded in 1993 and is based in Eden Prairie, Minnesota.

Polar Electro researches, develops, manufactures, and sells heart rate monitoring products, activity trackers, and training computers. It offers a suite of heart rate monitors, performance trackers, GPS-enabled bike computers, and GPS sports watches for fitness and cross training, swimming, yoga, running, and cycling applications; accessories, including heart rate sensors, cycling sensors, running sensors, data transfer products, and other accessories; and mobile applications and compatible sensors. Polar Electro also offers Polar Flow Web service, where riders can plan and analyze the details of their training. It sells its products through a network of retailers and online stores worldwide. Polar Electro began operation in 1977, with its headquarters in Kempele in Finland. It has operations internationally.

GE Medical Systems Information Technologies, Inc., part of General Electric Co., is an American company located in Hermosa Beach, CA, that provides software and technologies to hospitals and health care systems.

AO Safety Products is an American private company located in Southbridge, MA. The firm provides optical instruments & lenses.

LifeTrak is the fitness partner that listens to your heart to help you build your path to better health. To adults considering a fitness tracker to improve their health, LifeTrak is the most accurate fitness tracker and wellness partner that seamlessly integrates into their live because only LifeTrak has the legacy and technology to use heart rate as both a method of ensuring accuracy as well as a measurement of health. We offer a line of fitness trackers for the mainstream market that leverages our background in physiological monitoring for cardio equipment, chest straps and sports watches and wearables products delivered to NASA. So get active, live healthy. Follow your heart.

Sorin CRM SAS designs and manufactures implantable pacemakers and defibrillators. It offers ICDs, leads, holter equipment, and electrophysiology catheters. The company was founded on July 25, 1977 and is headquartered in Clamart, France.

Develops and markets complex devices for treating malfunctions of the heart

Cameron Health, Inc., a development stage medical device company, is creating the next generation of implantable electronic device utilizing state-of-the-art technologies. They are a team of specialized, high technology, creative individuals with decades of experience in solving difficult medical problems. Their current target is the development of a family of devices that will afford patient treatment that has been, until now, unattainable with the current therapeutic modalities and technologies.

Physio-Control, Inc. provides professional emergency medical response solutions that predict or intervene in life-threatening emergencies. Its products include LIFEPAK monitor/defibrillators and automated external defibrillators (AED), LUCAS Chest Compression Systems, the LIFENET System and HeartSine AEDs. The company was founded by Karl William Edmark in 1955 and is headquartered in Redmond, WA.

Fukuda Denshi Co., Ltd. engages in the development, manufacture, import, export and sale of medical electronic equipment. It operates through the following segments: Biopsy Equipment, Biological Information Monitor, Therapeutic Equipment, and Consumables. The Biopsy Equipment segment sells electrocardiographs, ultrasound imaging equipment, and automatic blood cell counting and measuring equipment. The Biological Information Monitor segment offers biological information monitors. The Therapeutic Equipment segment includes defibrillators, ventilators, pacemakers, catheters. It also deals with home rental business. The Consumables segment handles consumables and offers repair and maintenance services. The company was founded by Takashi Fukuda in July 1939 and is headquartered in Tokyo, Japan.