| # | Name | Location | Applications |
|---|---|---|---|
| 1. | D Societa′ per Azioni | 🇮🇹 Bologna, Italy | 1 |
| 2. | DSO FLUID HANDLING CO., INC. | 🇺🇸 Edison, NJ, United States | 1 |
| 3. | DSO FLUID HANDLING CO., INC. | 🇺🇸 Irvington, NJ, United States | 1 |
| 4. | DSO NATIONAL LABORATORIES | 🇸🇬 Singapore, Singapore | 14 |
| 5. | DSOLVE AS | 🇳🇴 Trondheim, Norway | 3 |