American Pacemaker (Intermedics)	Intermedics (Sulzer)
Arc o	LEM Biomedica
Biotech International	MedCor / Daig Corp
Biotronik	Medico Italia s.r.l.
Cardiac Control Systems	Medtronic, Inc
Coratomic (Biocontrol Technologies)	Osypka
Cardiac Pacemakers, Inc . (Guidant)	Pacesetter (St. Jude Medical - CRMD)
Cardio France	Precimed S.A.
Cardio-Pace Medical	Siemens (St. Jude Medical - CRMD)
Cook Pacemaker Corp	Sorin Biomedica
Cordis (St. Jude Medical - CRMD)	Telectronics (St. Jude Medical - CRMD)
Digikon	Vitatron (Medtronic)
Edwards (Medtronic)	.
.ELA Medical
Implantronik