Zarlink Semiconductor, Inc
Manufactures ICs used for communications systems and cardiac pacemakers.
http://www.zarlink.com/

Medtronic, Inc.
Medtronic is the leader in medical technology providing lifelong solutions for people with chronic pain.
http://www.medtronic.com/

Japan Lifeline
Supplier of cardiac pacemakers, prosthetic cardiac valves, artificial blood vessels and coronary catheters for use in the treatment of cardiovascular disease and circulatory illness.
http://www.japanlifeline.com/

Biophan Technologies - MRI-compatible Pacemaker
Implantable cardiac pacemakers and other critical medical devices insensitive to magnetic resonance imaging (MRI) and other equipment using magnetic fields, radio waves, and similar forms of electromagnetic interference (EMI).
http://www.biophan.com

St. Jude Medical, Inc.
Learn about symptoms of heart disease; heart conditions such as angina and arrhythmia; heart valve repair and heart bypass surgery procedures; and medical devices, including artificial heart valves, cardiac pacemakers, and other vascular products.
http://www.sjm.com/

MedModus
Provides healthcare organizations with cost recovery, cost reduction, and cost management services for physician preference items, such as spinal implants, total hip replacements, total knee replacements, pacemakers, and interventional radiology products.
http://medmodus.com