- Alere/HemoSense, Inc.
- ALK Labs
- All Pro Exercise Products, Inc.
- Ambra Le Roy
- AMD-Medicom
- AMD-Ritmed
- American Diagnostic Corporation
- American Regent Laboratories
- Ammex Corporation
- Amphastar-IMS
- Amsino International, Inc.
- AngioTech/Surgical Specialties Corporation
- Ansell
- APP Pharmaceutical LLC
- Aquabiliti
- ArgoHuntleigh, Inc.
- Arjo Inc.
- ArjoHuntleigh, Inc.
- Arkray USA, Inc
- Arkray USA, Inc.
- Arrowhead Healthcare Supply, LLC
- Ascensia Diabetes Care
- Aso, LLC
- ASP-Tiger Medical Group
- Aspen Surgical