| Management & general staff |
| Computer group |
| Advisor & consultant |
| Shipping staff |
| Agricultural group |
| Port & water transport |
| Industrial/factory group |
| Miscellaneous |
| Labour |
| Technician & mechanic |
| Hotel staff |
| Heavy driver |
| Operator |
| Foreman & supervisor |
| Diploma engineer |
| Accounts & audit |
| Graduate engineer |
| Medical staff |
| Teaching staff |
