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The Research Support Professionals Unit (TX) is a systemwide bargaining unit of non-supervisory technical support personnel in a highly diverse unit who provide a great range of technical support services for academic and scientific research throughout the UC system. The unit is represented by the University Professional and Technical Employees union (UPTE). Currently, the unit includes approximately 4,000* employees.
Campus breakdown of the bargaining unit follows (numbers are approximate):
| Location | Headcount |
| Berkeley | 474 |
| Davis (Campus & Medical Center) | 934 |
| Irvine (Campus & Medical Center) | 264 |
| Los Angeles (Campus & Medical Center) | 711 |
| Merced | 13 |
| Riverside | 145 |
| Santa Barbara | 210 |
| Santa Cruz | 146 |
| San Diego (Campus & Medical Center) | 563 |
| San Francisco (Campus & Medical Center) | 398 |
| LBNL | 175 |
| Total | 4,045 |
*Corporate Personnel System (OLR3) June, 2004