| Bartell Drugs | USA |
| Duane Reade | USA |
| Standard Drug Company | USA |
| McKesson Canada (Formerly Medis Health & Pharmaceutical Services, Inc.) | Canada |
| Peoples Drug Stores Inc. | Canada |
| Trent Drugs (Wholesale) Limited | Canada |
| Borschow Hospital & Medical Supplies | Latin America |
| Corporacion Najri | Latin America |
| Farmacias Guadalajara | Latin America |
| Font, Gamundi & Co. | Latin America |
| Laboratoires Vargas | Latin America |
| Locatel | Latin America |
| Roche Chile Ltda | Latin America |