- Abbott
- ADI/American Diagnostica
- Alere/Biosite/Inverness
- Axis-Shield
- Beckman Coulter/Danaher
- Becton Dickinson
- Bio/Data Corporation
- Chrono-Log
- Corgenix Medical
- Diagnostica Stago/Trinity Biotech
- Grifols
- Helena Laboratories
- Hyphen BioMed
- Instrumentation Laboratory
- ITC/Nexus Dx
- Roche
- Siemens
- Sienco
- Sysmex
- Thermo Fisher
- ZyCare/Alere