| Ticker | Company | Industry |
| NYSE:MRK | Merck & Co Inc | Drug Manufacturers - Major |
| LTS:0QAH | Merck & Co Inc | Drug Manufacturers - Major |
| XTER:MRK | Merck KGaA | Drug Manufacturers - Specialty & Generic |
| XPAR:MRK | Merck & Co Inc | Drug Manufacturers - Major |
| LTS:0O14 | Merck KGaA | Drug Manufacturers - Specialty & Generic |
| OTCPK:MKGAY | Merck KGaA | Drug Manufacturers - Specialty & Generic |
| FRA:6MK | Merck & Co Inc | Drug Manufacturers - Major |