| 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 |  |