- 3M Healthcare
- Abbott Laboratories
- ACME Medical
- Air Shields Medical
- Alaris Medical
- Alpha Technology
- Alton-tol
- American Hospital Supply
- Arrow International
- Astro-med Inc.
- Axon Systems
- B.Braun
- Baxter Healthcare
- BCI International
- Bennett X-Ray
- Bird Products
- Burdick
- Cardiac Science
- Cas Medical
- Continental Scale
- Criticare Systems
- Critikon
- Cutter Labs
- Datascope
- Datex
- Defibtech
- Dyonics
- Exogen
- Ferno-ille
- GE Medical
- Gould
- HeartSine
- Hoffman Laroche
- Imed
- Impact Instrumentation
- Invivo Research Inc.
- Ivac Medical Systems
- Ivy Biomedical Systems Inc.
- Kontron
- Ladd Steritak
- Laerdal
- Life Line
- Mansfield
- Marquette
- Mcgaw
- Medical Research Lab
- Medtronic
- Mennon Medical
- Mobilizer
- Narco
- Nellcor
- Nihon Kohden
- North American Drager
- Novametrix
- Ohio Medical Products
- Pace
- Parks Medical
- Philips
- Physio-Control
- RadioMeter America
- Sherwood Medical
- Siemens
- Spacelabs
- Sscor
- Stryker
- Tyco Healthcare
- Zoll
