| Industry in general (department of utilities) |
|
| Pharma, chemical & petrochemical |
539 |
| Galvanoplastics & surface treatment |
308 |
| Textile, fabric stamping & painting |
147 |
| Commerce, shopping centres, hospitals, spas, airports, clubs, hotels |
393 |
| Construction and real state investment companies |
1.995 |
| Engeneering companies and consultants |
1.037 |
| Public water supply and sewage companies |
750 |
| Equipment manufacturers & product suppliers to water and sewerage |
1.427 |
| Government, schools, associations, universities |
79 |
| Plumbing material dealers and retailers |
1.394 |