| Position | Detail |
| Building technician |  |
| Chief plumber | |
| Chief stationary equipment mechanic | |
| Foreman in mechanical maintenance | |
| Foreman | |
| Maintenance mechanic | |
| Plumber | |
| Regional Directors' Assistant | |
| Service manager | |
| Stationary machinery mechanic/operator | |
| Technician in instrumentation and control | |