| # | Name | Location | Applications |
|---|---|---|---|
| 1. | H-CARE SRL | 🇮🇹 Treviso, Italy | 1 |
| 2. | H.C.A. SA (SOCIETE DE DROIT LUXEMBOURGEOIS) | 🇱🇺 LUXEMBOURG, Luxembourg | 1 |
| 3. | H.C.A. Wensveen | 🇳🇱 Maastricht, Netherlands | 1 |
| 4. | HC-ATM GROUP PTY LTD | 🇦🇺 Red Hill, Australia | 1 |
| 5. | HCA Holding, Inc. | 🇺🇸 Nashville, TN, United States | 1 |
| 6. | HCA Holdings, Inc. | 🇺🇸 Nashville, TN, United States | 30 |
| 7. | HCA—INFORMATION TECHNOLOGY & SERVICES, INC. | 🇺🇸 Nashville, TN, United States | 2 |