| # | Name | Location | Applications |
|---|---|---|---|
| 1. | QC Solutions, Inc. | 🇺🇸 Billerica, MA, United States | 8 |
| 2. | QC Solutions, Inc. | 🇺🇸 North Billerica, MA, United States | 4 |
| 3. | QC Supply, LLC | 🇺🇸 Schuyler, NE, United States | 1 |
| 4. | QCS Quality Consult Service GmbH | 🇨🇭 , Switzerland | 1 |
| 5. | QCS QUALITY CONSULT SERVICE GMBH | 🇨🇭 Brülisau, Switzerland | 1 |
| 6. | QCS QuickChangeSystem EMUK GmbH | 🇩🇪 Landau, Germany | 1 |