| 71315000 |
Building services |
Consultative engineering and construction services |
| 70332200 |
Commercial property management services |
Non-residential property services |
| 71800000 |
Consulting services for water-supply and waste consultancy |
Architectural, construction, engineering and inspection services |
| 44162500 |
Drinking-water piping |
Piping |
| 90700000 |
Environmental services |
Sewage, refuse, cleaning and environmental services |
| 79993100 |
Facilities management services |
Building and facilities management services |
| 71317200 |
Health and safety services |
Hazard protection and control consultancy services |
| 51810000 |
Installation services of tanks |
Installation services of metal containers |
| 71900000 |
Laboratory services |
Architectural, construction, engineering and inspection services |
| 71700000 |
Monitoring and control services |
Architectural, construction, engineering and inspection services |
| 70332000 |
Non-residential property services |
Property management services of real estate on a fee or contract basis |
| 50700000 |
Repair and maintenance services of building installations |
Repair and maintenance services |
| 50511000 |
Repair and maintenance services of pumps |
Repair and maintenance services of pumps, valves, taps and metal containers |
| 50514100 |
Repair and maintenance services of tanks |
Repair and maintenance services of metal containers |
| 71313410 |
Risk or hazard assessment for construction |
Environmental engineering consultancy services |
| 90711100 |
Risk or hazard assessment other than for construction |
Environmental impact assessment other than for construction |
| 90000000 |
Sewage, refuse, cleaning and environmental services |
Environment and Sanitation |
| 90913100 |
Tank-cleaning services |
Tank and reservoir cleaning services |
| 71630000 |
Technical inspection and testing services |
Technical testing, analysis and consultancy services |
| 71632000 |
Technical testing services |
Technical inspection and testing services |
| 71600000 |
Technical testing, analysis and consultancy services |
Architectural, construction, engineering and inspection services |
| 39370000 |
Water installations |
Miscellaneous equipment |
| 44611500 |
Water tanks |
Tanks |