| Symbol | Name | Country | Exchange |
|---|---|---|---|
| MRK | Merck & Company Inc | AR | BA |
| 300356 | EleFirst Science & Technology Co Ltd | CN | SHE |
| 6MK | Merck & Co. Inc | DE | F |
| 6MK | Merck & Co. Inc | DE | XETRA |
| 0QAH | Merck & Company Inc | GB | IL |
| MRCK34 | Merck & Co. Inc | BR | SA |
| MRK | Merck & Company Inc | AT | VI |
| 0QAH | Merck & Company Inc | GB | LSE |
| MRK | Merck & Company Inc | MX | MX |