?- Abbott Laboratories
- Abnova Corporation
- PerkinElmer Inc (Euroimmun AG)
- Certest Biotec SL
- Diasorin?
- F. Hoffmann-La Roche Ltd
- InBios International Inc.
- NovaTec Immundiagnostica GmbH
- OriGene Technologies
- Thermo Fisher Scientific Inc.
- Immundiagnostik AG
- Quest Diagnostics