Item | Firms | Unit of analysis | Consultants | Number of sample Frame |
A | Architectural Practicing Firms | Architects | 114 | 54 |
B | Quantity Surveying Firms | Quantity Surveyors | 51 | 34 |
C | Civil Works Consultants | Civil engineers | 35 | 26 |
| Total |
| 186 | 114 |