- Covidien/Surgical/EnB Devices
- Covidien/US Surgical
- Cramer
- Crosstex International
- Crucell
- Cumberland Swan/Vi-Jon, Inc
- Cumberland Swan/Vi-Jon, Inc.
- Derma Sciences
- Desert Assembly, Inc.
- Devon Medical
- Dial Corporation
- DISC CooperSurgical, Inc.
- DISC Stable Step
- DJO, LLC
- Doczac Enterprises, Inc.
- Doran Scales, Inc.
- Dr. Fresh
- Drive DeVilbiss Healthcare
- Drive Medical Design & Manufacturing
- Dukal Corporation
- Duracell
- E.T. Browne Drug Company, Inc.
- Eco-Med Pharmaceutical
- EKF Diagnostics
- Eli Lilly