| - | Acquisition of mobile breast biopsy services from MoBx Inc. |
| - | Expansion of the Andover Surgery Center, Massachusetts, USA |
| - | Market introduction of mobile brachytherapy in the USA |
| - | Acquisition of lithotripsy division of HealthSouth, Inc. |
| - | Acquisition of third mobile lithotripsy service operation in Michigan. |
| - | UMS sells Pet Scans of America Corporation (PSAC) to Alliance Imaging |
| - | Expansion of urology in Michigan through acquisition of two mobile lithotripsy service operations. |
| - | UMS assumes full control of PSAC |
| - | UMS receives FDA approval for Richard Wolf Piezolith technology. |
| - | UMS opens US-Radiology business |
| - | Set-up of ambulatory surgical center in Andover, MA |
| - |
First mobile PET/CT worldwide operative at PSAC |
| - | UMS exercises option to gain 51% control in PSAC |
| - |
UMS acquires the lithotripsy division of Alliance Imaging Inc. |
| - | Initial 10% investment in PSAC |
| - | Acquisition of mobile lithotripsy operations from First Litho Group |
| - | First UMS lithotripsy partnership created |
| - | First transportable stereotactic unit introduced |
| - | Formation of United Medical Systems Inc. (UMS) |