| Highway Engineer | 2 |
| Bridge Structural Engineer | 2 |
| Structural Engineer (Building) | 2 |
| Civil Technician | 2 |
| Accountant | 1 |
| Architect | 3 |
| Quantity Surveyor | 1 |
| Land/Topographic Surveyor | 1 |
| Artisan | 3 |
| Health and Safety Expert | 1 |
| Service Engineer (Electrical) | 1 |
| Service Engineer (Plumbing) | 1 |