| 3315010 |
Helicopters Repair & Maintenance |
Light aircraft manufacturing & maintenance |
Professional |
| 3315101 |
Ships & Boats Maintenance Services |
Ship building and repairing |
Professional |
| 3600002 |
Desalination Plant |
Facility management |
Professional |
| 3600006 |
Desalination & Sewage Treatment Plants Operation & Maintenance |
Facility management |
Professional |
| 3700002 |
Sewage & Draining Services |
Sewage and cleaning services |
Professional |
| 3700004 |
Wastewater & Hazardous Liquids Treatment |
Sewage and cleaning services |
Professional |
| 3700005 |
Grease Traps Cleaning & Wastes Removal |
Sewage and cleaning services |
Professional |
| 3811001 |
Garbage Disposal Services |
Sewage and cleaning services |
Professional |
| 3811004 |
Construction & Demolition Waste Collection & Transportation Services |
Sewage and cleaning services |
Professional |
| 3811006 |
Sea & Shore Cleaning Services |
Sewage and cleaning services |
Professional |
| 3812007 |
Hazardous Waste Collection & Transport |
Sewage and cleaning services |
Professional |
| 3821003 |
Landfill Waste Gas Recovery |
Manufacture of petroleum products |
Industrial |
| 3900001 |
Pollution & Environment Protection Services |
Sewage and cleaning services |
Professional |
| 4100002 |
Building Contracting |
Contracting and building works |
Commercial |
| 4100003 |
Steel Constructions Contracting |
Contracting and building works |
Commercial |
| 4100004 |
Pre-Fabricated Buildings Contracting |
Contracting and building works |
Commercial |
| 4100006 |
Pre-Fabricated Concrete Houses Contracting |
Contracting and building works |
Commercial |
| 4100007 |
Prestressed Concrete Contracting |
Contracting and building works |
Professional |
| 4100013 |
Meteorology Projects Contracting |
Contracting and building works |
Commercial |
| 4100017 |
3D Printing Building Construction Contracting |
Contracting and building works |
Commercial |
