| Name | Country | Market Cap (US$) |
|---|
| AdipoGenix, Inc. | United States | Private |
| Adnexus Therapeutics, Inc | United States | Private |
| Advance Pharmaceutical, Inc. | United States | Private |
| Advanced Beauty Systems, Inc. | United States | Private |
| Advanced BioNutrition Corporation | United States | Private |
| ADVANCED HEALTHCARE SERVICE, K.K. | Japan | Private |
| Advanced Medical Optics Norden AB | Sweden | Private |
| Advanced Tissue Sciences, Inc. | United States | Private |
| Advanced Vision Research, Inc. | United States | Private |
| Advinus Therapeutics Pvt. Ltd. | India | Private |
| AdvoCare International, LLC | United States | Private |
| Aegera Therapeutics, Inc. | Canada | Private |
| AEON FOREST CO.,LTD. | Japan | Private |
| AERES Biomedical Ltd. | United Kingdom | Private |
| Aerojet Fine Chemicals, Llc | United States | Private |
| Aeropharm Technology Inc | United States | Private |
| Aerosol-Service AG | Switzerland | Private |
| Aesica Pharmaceuticals Ltd | United Kingdom | Private |
| AESOP YAKUHIN K.K. | Japan | Private |
| Aesthetic Technologies Corporation | United States | Private |
|