| DM Clinical Research | DM Clinical Research |
| Martin Diagnostic Clinic | Martin Diagnostic Clinic |
| Northwest Houston Heart Center | Northwest Houston Heart Center |
| Texas Gastro Consultants | Texas Gastro Consultants |
| Pediatric Healthcare of Northwest Houston | Pediatric Healthcare of Northwest Houston |
| Northwest Houston Clinical Research, PLLC | Northwest Houston Clinical Research, PLLC |
| Dynamed Clinical Research, LP d/b/a DM Clinical Research | Dynamed Clinical Research, LP d/b/a DM Clinical Research |
| Dm Clinical Research / Martin Diagnostic Clinic | Dm Clinical Research / Martin Diagnostic Clinic |
| Northwest Houston Neurology and Sleep | Northwest Houston Neurology and Sleep |
| Texas Urology Specialists | Texas Urology Specialists |